261562318

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1\times {\mathrm{5333}}^1$

素因数の和:5651

約数の個数: 16

約数和(自身を含む): 397489680

約数和(自身を除く): 135927362

約数列:

[1, 2, 137, 179, 274, 358, 5333, 10666, 24523, 49046, 730621, 954607, 1461242, 1909214, 130781159, 261562318]

約数ペア:

[(1, 261562318), (2, 130781159), (137, 1909214), (179, 1461242), (274, 954607), (358, 730621), (5333, 49046), (10666, 24523)]