661203712

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 1615904640

約数和(自身を除く): 954700928

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 31, 32, 34, 52, 58, 62, 64, 68, 104, 116, 124, 128, 136, 169, 208, 221, 232, 248, 256, 272, 338, 377, 403, 416, 442, 464, 493, 496, 527, 544, 676, 754, 806, 832, 884, 899, 928, 986, 992, 1054, 1088, 1352, 1508, 1612, 1664, 1768, 1798, 1856, 1972, 1984, 2108, 2176, 2704, 2873, 3016, 3224, 3328, 3536, 3596, 3712, 3944, 3968, 4216, 4352, 4901, 5239, 5408, 5746, 6032, 6409, 6448, 6851, 7072, 7192, 7424, 7888, 7936, 8432, 9802, 10478, 10816, 11492, 11687, 12064, 12818, 12896, 13702, 14144, 14384, 15283, 15776, 16864, 19604, 20956, 21632, 22984, 23374, 24128, 25636, 25792, 27404, 28288, 28768, 30566, 31552, 33728, 39208, 41912, 43264, 45968, 46748, 48256, 51272, 51584, 54808, 56576, 57536, 61132, 63104, 67456, 78416, 83317, 83824, 89063, 91936, 93496, 96512, 102544, 103168, 109616, 115072, 122264, 126208, 134912, 151931, 156832, 166634, 167648, 178126, 183872, 186992, 198679, 205088, 219232, 230144, 244528, 303862, 313664, 333268, 335296, 356252, 367744, 373984, 397358, 410176, 438464, 489056, 607724, 627328, 666536, 670592, 712504, 735488, 747968, 794716, 820352, 876928, 978112, 1215448, 1254656, 1333072, 1341184, 1425008, 1495936, 1589432, 1640704, 1753856, 1956224, 2430896, 2582827, 2666144, 2850016, 2991872, 3178864, 3912448, 4861792, 5165654, 5332288, 5700032, 6357728, 9723584, 10331308, 10664576, 11400064, 12715456, 19447168, 20662616, 21329152, 22800128, 25430912, 38894336, 41325232, 50861824, 82650464, 165300928, 330601856, 661203712]

約数ペア:

[(1, 661203712), (2, 330601856), (4, 165300928), (8, 82650464), (13, 50861824), (16, 41325232), (17, 38894336), (26, 25430912), (29, 22800128), (31, 21329152), (32, 20662616), (34, 19447168), (52, 12715456), (58, 11400064), (62, 10664576), (64, 10331308), (68, 9723584), (104, 6357728), (116, 5700032), (124, 5332288), (128, 5165654), (136, 4861792), (169, 3912448), (208, 3178864), (221, 2991872), (232, 2850016), (248, 2666144), (256, 2582827), (272, 2430896), (338, 1956224), (377, 1753856), (403, 1640704), (416, 1589432), (442, 1495936), (464, 1425008), (493, 1341184), (496, 1333072), (527, 1254656), (544, 1215448), (676, 978112), (754, 876928), (806, 820352), (832, 794716), (884, 747968), (899, 735488), (928, 712504), (986, 670592), (992, 666536), (1054, 627328), (1088, 607724), (1352, 489056), (1508, 438464), (1612, 410176), (1664, 397358), (1768, 373984), (1798, 367744), (1856, 356252), (1972, 335296), (1984, 333268), (2108, 313664), (2176, 303862), (2704, 244528), (2873, 230144), (3016, 219232), (3224, 205088), (3328, 198679), (3536, 186992), (3596, 183872), (3712, 178126), (3944, 167648), (3968, 166634), (4216, 156832), (4352, 151931), (4901, 134912), (5239, 126208), (5408, 122264), (5746, 115072), (6032, 109616), (6409, 103168), (6448, 102544), (6851, 96512), (7072, 93496), (7192, 91936), (7424, 89063), (7888, 83824), (7936, 83317), (8432, 78416), (9802, 67456), (10478, 63104), (10816, 61132), (11492, 57536), (11687, 56576), (12064, 54808), (12818, 51584), (12896, 51272), (13702, 48256), (14144, 46748), (14384, 45968), (15283, 43264), (15776, 41912), (16864, 39208), (19604, 33728), (20956, 31552), (21632, 30566), (22984, 28768), (23374, 28288), (24128, 27404), (25636, 25792)]