16862975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 22260480

約数和(自身を除く): 5397505

約数列:

[1, 5, 19, 25, 95, 131, 271, 475, 655, 1355, 2489, 3275, 5149, 6775, 12445, 25745, 35501, 62225, 128725, 177505, 674519, 887525, 3372595, 16862975]

約数ペア:

[(1, 16862975), (5, 3372595), (19, 887525), (25, 674519), (95, 177505), (131, 128725), (271, 62225), (475, 35501), (655, 25745), (1355, 12445), (2489, 6775), (3275, 5149)]