647611328

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 224

約数和(自身を含む): 1736921088

約数和(自身を除く): 1089309760

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 31, 32, 34, 52, 56, 62, 64, 68, 91, 104, 112, 119, 124, 136, 182, 208, 211, 217, 221, 224, 238, 248, 272, 364, 403, 416, 422, 434, 442, 448, 476, 496, 527, 544, 728, 806, 832, 844, 868, 884, 952, 992, 1054, 1088, 1456, 1477, 1547, 1612, 1688, 1736, 1768, 1904, 1984, 2108, 2743, 2821, 2912, 2954, 3094, 3224, 3376, 3472, 3536, 3587, 3689, 3808, 4216, 5486, 5642, 5824, 5908, 6188, 6448, 6541, 6752, 6851, 6944, 7072, 7174, 7378, 7616, 8432, 10972, 11284, 11816, 12376, 12896, 13082, 13504, 13702, 13888, 14144, 14348, 14756, 16864, 19201, 21944, 22568, 23632, 24752, 25109, 25792, 26164, 27404, 28696, 29512, 33728, 38402, 43888, 45136, 45787, 46631, 47264, 47957, 49504, 50218, 52328, 54808, 57392, 59024, 76804, 85033, 87776, 90272, 91574, 93262, 94528, 95914, 99008, 100436, 104656, 109616, 111197, 114784, 118048, 153608, 170066, 175552, 180544, 183148, 186524, 191828, 200872, 209312, 219232, 222394, 229568, 236096, 307216, 326417, 340132, 366296, 373048, 383656, 401744, 418624, 438464, 444788, 595231, 614432, 652834, 680264, 732592, 746096, 767312, 778379, 803488, 889576, 1190462, 1228864, 1305668, 1360528, 1445561, 1465184, 1492192, 1534624, 1556758, 1606976, 1779152, 2380924, 2611336, 2721056, 2891122, 2930368, 2984384, 3069248, 3113516, 3558304, 4761848, 5222672, 5442112, 5782244, 6227032, 7116608, 9523696, 10118927, 10445344, 11564488, 12454064, 19047392, 20237854, 20890688, 23128976, 24908128, 38094784, 40475708, 46257952, 49816256, 80951416, 92515904, 161902832, 323805664, 647611328]

約数ペア:

[(1, 647611328), (2, 323805664), (4, 161902832), (7, 92515904), (8, 80951416), (13, 49816256), (14, 46257952), (16, 40475708), (17, 38094784), (26, 24908128), (28, 23128976), (31, 20890688), (32, 20237854), (34, 19047392), (52, 12454064), (56, 11564488), (62, 10445344), (64, 10118927), (68, 9523696), (91, 7116608), (104, 6227032), (112, 5782244), (119, 5442112), (124, 5222672), (136, 4761848), (182, 3558304), (208, 3113516), (211, 3069248), (217, 2984384), (221, 2930368), (224, 2891122), (238, 2721056), (248, 2611336), (272, 2380924), (364, 1779152), (403, 1606976), (416, 1556758), (422, 1534624), (434, 1492192), (442, 1465184), (448, 1445561), (476, 1360528), (496, 1305668), (527, 1228864), (544, 1190462), (728, 889576), (806, 803488), (832, 778379), (844, 767312), (868, 746096), (884, 732592), (952, 680264), (992, 652834), (1054, 614432), (1088, 595231), (1456, 444788), (1477, 438464), (1547, 418624), (1612, 401744), (1688, 383656), (1736, 373048), (1768, 366296), (1904, 340132), (1984, 326417), (2108, 307216), (2743, 236096), (2821, 229568), (2912, 222394), (2954, 219232), (3094, 209312), (3224, 200872), (3376, 191828), (3472, 186524), (3536, 183148), (3587, 180544), (3689, 175552), (3808, 170066), (4216, 153608), (5486, 118048), (5642, 114784), (5824, 111197), (5908, 109616), (6188, 104656), (6448, 100436), (6541, 99008), (6752, 95914), (6851, 94528), (6944, 93262), (7072, 91574), (7174, 90272), (7378, 87776), (7616, 85033), (8432, 76804), (10972, 59024), (11284, 57392), (11816, 54808), (12376, 52328), (12896, 50218), (13082, 49504), (13504, 47957), (13702, 47264), (13888, 46631), (14144, 45787), (14348, 45136), (14756, 43888), (16864, 38402), (19201, 33728), (21944, 29512), (22568, 28696), (23632, 27404), (24752, 26164), (25109, 25792)]