221285231710

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{86103203}}^1$

素因数の和:86103467

約数の個数: 16

約数和(自身を含む): 399863279376

約数和(自身を除く): 178578047666

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 86103203, 172206406, 430516015, 861032030, 22128523171, 44257046342, 110642615855, 221285231710]

約数ペア:

[(1, 221285231710), (2, 110642615855), (5, 44257046342), (10, 22128523171), (257, 861032030), (514, 430516015), (1285, 172206406), (2570, 86103203)]