400298978

素因数分解:

$2^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1\times {\mathrm{1451}}^1$

素因数の和:2233

約数の個数: 16

約数和(自身を含む): 604264320

約数和(自身を除く): 203965342

約数列:

[1, 2, 271, 509, 542, 1018, 1451, 2902, 137939, 275878, 393221, 738559, 786442, 1477118, 200149489, 400298978]

約数ペア:

[(1, 400298978), (2, 200149489), (271, 1477118), (509, 786442), (542, 738559), (1018, 393221), (1451, 275878), (2902, 137939)]