977555488

素因数分解:

$2^5\times 7^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 2656281600

約数和(自身を除く): 1678726112

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 49, 52, 56, 62, 68, 91, 98, 104, 112, 119, 124, 136, 169, 182, 196, 208, 217, 221, 224, 238, 248, 272, 338, 343, 364, 392, 403, 416, 434, 442, 476, 496, 527, 544, 637, 676, 686, 728, 784, 806, 833, 868, 884, 952, 992, 1054, 1183, 1274, 1352, 1372, 1456, 1519, 1547, 1568, 1612, 1666, 1736, 1768, 1904, 2108, 2366, 2548, 2704, 2744, 2821, 2873, 2912, 3038, 3094, 3224, 3332, 3472, 3536, 3689, 3808, 4216, 4459, 4732, 5096, 5239, 5408, 5488, 5642, 5746, 5831, 6076, 6188, 6448, 6664, 6851, 6944, 7072, 7378, 8281, 8432, 8918, 9464, 10192, 10478, 10633, 10829, 10976, 11284, 11492, 11662, 12152, 12376, 12896, 13328, 13702, 14756, 16562, 16864, 17836, 18928, 19747, 20111, 20384, 20956, 21266, 21658, 22568, 22984, 23324, 24304, 24752, 25823, 26656, 27404, 29512, 33124, 35672, 36673, 37856, 39494, 40222, 41912, 42532, 43316, 45136, 45968, 46648, 47957, 48608, 49504, 51646, 54808, 57967, 59024, 66248, 71344, 73346, 75803, 78988, 80444, 83824, 85064, 86632, 89063, 90272, 91936, 93296, 95914, 103292, 109616, 115934, 118048, 132496, 138229, 140777, 142688, 146692, 151606, 157976, 160888, 167648, 170128, 173264, 178126, 180761, 186592, 191828, 206584, 219232, 231868, 256711, 264992, 276458, 281554, 293384, 303212, 315952, 321776, 335699, 340256, 346528, 356252, 361522, 383656, 413168, 463736, 513422, 552916, 563108, 586768, 606424, 623441, 631904, 643552, 671398, 712504, 723044, 767312, 826336, 927472, 985439, 1026844, 1105832, 1126216, 1173536, 1212848, 1246882, 1342796, 1425008, 1446088, 1534624, 1796977, 1854944, 1970878, 2053688, 2211664, 2252432, 2349893, 2425696, 2493764, 2685592, 2850016, 2892176, 3593954, 3941756, 4107376, 4364087, 4423328, 4504864, 4699786, 4987528, 5371184, 5784352, 7187908, 7883512, 8214752, 8728174, 9399572, 9975056, 10742368, 14375816, 15767024, 17456348, 18799144, 19950112, 28751632, 30548609, 31534048, 34912696, 37598288, 57503264, 61097218, 69825392, 75196576, 122194436, 139650784, 244388872, 488777744, 977555488]

約数ペア:

[(1, 977555488), (2, 488777744), (4, 244388872), (7, 139650784), (8, 122194436), (13, 75196576), (14, 69825392), (16, 61097218), (17, 57503264), (26, 37598288), (28, 34912696), (31, 31534048), (32, 30548609), (34, 28751632), (49, 19950112), (52, 18799144), (56, 17456348), (62, 15767024), (68, 14375816), (91, 10742368), (98, 9975056), (104, 9399572), (112, 8728174), (119, 8214752), (124, 7883512), (136, 7187908), (169, 5784352), (182, 5371184), (196, 4987528), (208, 4699786), (217, 4504864), (221, 4423328), (224, 4364087), (238, 4107376), (248, 3941756), (272, 3593954), (338, 2892176), (343, 2850016), (364, 2685592), (392, 2493764), (403, 2425696), (416, 2349893), (434, 2252432), (442, 2211664), (476, 2053688), (496, 1970878), (527, 1854944), (544, 1796977), (637, 1534624), (676, 1446088), (686, 1425008), (728, 1342796), (784, 1246882), (806, 1212848), (833, 1173536), (868, 1126216), (884, 1105832), (952, 1026844), (992, 985439), (1054, 927472), (1183, 826336), (1274, 767312), (1352, 723044), (1372, 712504), (1456, 671398), (1519, 643552), (1547, 631904), (1568, 623441), (1612, 606424), (1666, 586768), (1736, 563108), (1768, 552916), (1904, 513422), (2108, 463736), (2366, 413168), (2548, 383656), (2704, 361522), (2744, 356252), (2821, 346528), (2873, 340256), (2912, 335699), (3038, 321776), (3094, 315952), (3224, 303212), (3332, 293384), (3472, 281554), (3536, 276458), (3689, 264992), (3808, 256711), (4216, 231868), (4459, 219232), (4732, 206584), (5096, 191828), (5239, 186592), (5408, 180761), (5488, 178126), (5642, 173264), (5746, 170128), (5831, 167648), (6076, 160888), (6188, 157976), (6448, 151606), (6664, 146692), (6851, 142688), (6944, 140777), (7072, 138229), (7378, 132496), (8281, 118048), (8432, 115934), (8918, 109616), (9464, 103292), (10192, 95914), (10478, 93296), (10633, 91936), (10829, 90272), (10976, 89063), (11284, 86632), (11492, 85064), (11662, 83824), (12152, 80444), (12376, 78988), (12896, 75803), (13328, 73346), (13702, 71344), (14756, 66248), (16562, 59024), (16864, 57967), (17836, 54808), (18928, 51646), (19747, 49504), (20111, 48608), (20384, 47957), (20956, 46648), (21266, 45968), (21658, 45136), (22568, 43316), (22984, 42532), (23324, 41912), (24304, 40222), (24752, 39494), (25823, 37856), (26656, 36673), (27404, 35672), (29512, 33124)]