64636208

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 155990016

約数和(自身を除く): 91353808

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 103, 104, 112, 182, 206, 208, 364, 412, 431, 721, 728, 824, 862, 1339, 1442, 1456, 1648, 1724, 2678, 2884, 3017, 3448, 5356, 5603, 5768, 6034, 6896, 9373, 10712, 11206, 11536, 12068, 18746, 21424, 22412, 24136, 37492, 39221, 44393, 44824, 48272, 74984, 78442, 88786, 89648, 149968, 156884, 177572, 310751, 313768, 355144, 577109, 621502, 627536, 710288, 1154218, 1243004, 2308436, 2486008, 4039763, 4616872, 4972016, 8079526, 9233744, 16159052, 32318104, 64636208]

約数ペア:

[(1, 64636208), (2, 32318104), (4, 16159052), (7, 9233744), (8, 8079526), (13, 4972016), (14, 4616872), (16, 4039763), (26, 2486008), (28, 2308436), (52, 1243004), (56, 1154218), (91, 710288), (103, 627536), (104, 621502), (112, 577109), (182, 355144), (206, 313768), (208, 310751), (364, 177572), (412, 156884), (431, 149968), (721, 89648), (728, 88786), (824, 78442), (862, 74984), (1339, 48272), (1442, 44824), (1456, 44393), (1648, 39221), (1724, 37492), (2678, 24136), (2884, 22412), (3017, 21424), (3448, 18746), (5356, 12068), (5603, 11536), (5768, 11206), (6034, 10712), (6896, 9373)]