123968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:174

約数の個数: 28

約数和(自身を含む): 266700

約数和(自身を除く): 142732

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 149, 208, 298, 416, 596, 832, 1192, 1937, 2384, 3874, 4768, 7748, 9536, 15496, 30992, 61984, 123968]

約数ペア:

[(1, 123968), (2, 61984), (4, 30992), (8, 15496), (13, 9536), (16, 7748), (26, 4768), (32, 3874), (52, 2384), (64, 1937), (104, 1192), (149, 832), (208, 596), (298, 416)]