256831536

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411589}}^1$

素因数の和:411613

約数の個数: 40

約数和(自身を含む): 714520240

約数和(自身を除く): 457688704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 411589, 823178, 1234767, 1646356, 2469534, 3292712, 4939068, 5350657, 6585424, 9878136, 10701314, 16051971, 19756272, 21402628, 32103942, 42805256, 64207884, 85610512, 128415768, 256831536]

約数ペア:

[(1, 256831536), (2, 128415768), (3, 85610512), (4, 64207884), (6, 42805256), (8, 32103942), (12, 21402628), (13, 19756272), (16, 16051971), (24, 10701314), (26, 9878136), (39, 6585424), (48, 5350657), (52, 4939068), (78, 3292712), (104, 2469534), (156, 1646356), (208, 1234767), (312, 823178), (624, 411589)]