257998832

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2243}}^1$

素因数の和:2350

約数の個数: 80

約数和(自身を含む): 623293440

約数和(自身を除く): 365294608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 79, 91, 104, 112, 158, 182, 208, 316, 364, 553, 632, 728, 1027, 1106, 1264, 1456, 2054, 2212, 2243, 4108, 4424, 4486, 7189, 8216, 8848, 8972, 14378, 15701, 16432, 17944, 28756, 29159, 31402, 35888, 57512, 58318, 62804, 115024, 116636, 125608, 177197, 204113, 233272, 251216, 354394, 408226, 466544, 708788, 816452, 1240379, 1417576, 1632904, 2303561, 2480758, 2835152, 3265808, 4607122, 4961516, 9214244, 9923032, 16124927, 18428488, 19846064, 32249854, 36856976, 64499708, 128999416, 257998832]

約数ペア:

[(1, 257998832), (2, 128999416), (4, 64499708), (7, 36856976), (8, 32249854), (13, 19846064), (14, 18428488), (16, 16124927), (26, 9923032), (28, 9214244), (52, 4961516), (56, 4607122), (79, 3265808), (91, 2835152), (104, 2480758), (112, 2303561), (158, 1632904), (182, 1417576), (208, 1240379), (316, 816452), (364, 708788), (553, 466544), (632, 408226), (728, 354394), (1027, 251216), (1106, 233272), (1264, 204113), (1456, 177197), (2054, 125608), (2212, 116636), (2243, 115024), (4108, 62804), (4424, 58318), (4486, 57512), (7189, 35888), (8216, 31402), (8848, 29159), (8972, 28756), (14378, 17944), (15701, 16432)]