15780458876

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{548771}}^1$

素因数の和:548874

約数の個数: 48

約数和(自身を含む): 34418979840

約数和(自身を除く): 18638520964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 1027, 1106, 2054, 2212, 4108, 7189, 14378, 28756, 548771, 1097542, 2195084, 3841397, 7134023, 7682794, 14268046, 15365588, 28536092, 43352909, 49938161, 86705818, 99876322, 173411636, 199752644, 303470363, 563587817, 606940726, 1127175634, 1213881452, 2254351268, 3945114719, 7890229438, 15780458876]

約数ペア:

[(1, 15780458876), (2, 7890229438), (4, 3945114719), (7, 2254351268), (13, 1213881452), (14, 1127175634), (26, 606940726), (28, 563587817), (52, 303470363), (79, 199752644), (91, 173411636), (158, 99876322), (182, 86705818), (316, 49938161), (364, 43352909), (553, 28536092), (1027, 15365588), (1106, 14268046), (2054, 7682794), (2212, 7134023), (4108, 3841397), (7189, 2195084), (14378, 1097542), (28756, 548771)]