2556331323

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{191099}}^1$

素因数の和:191136

約数の個数: 32

約数和(自身を含む): 4280640000

約数和(自身を除く): 1724308677

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 637, 1029, 1911, 4459, 13377, 191099, 573297, 1337693, 2484287, 4013079, 7452861, 9363851, 17390009, 28091553, 52170027, 65546957, 121730063, 196640871, 365190189, 852110441, 2556331323]

約数ペア:

[(1, 2556331323), (3, 852110441), (7, 365190189), (13, 196640871), (21, 121730063), (39, 65546957), (49, 52170027), (91, 28091553), (147, 17390009), (273, 9363851), (343, 7452861), (637, 4013079), (1029, 2484287), (1911, 1337693), (4459, 573297), (13377, 191099)]