28701491

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18553}}^1$

素因数の和:18590

約数の個数: 16

約数和(自身を含む): 37404864

約数和(自身を除く): 8703373

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 18553, 129871, 241189, 315401, 1688323, 2207807, 4100213, 28701491]

約数ペア:

[(1, 28701491), (7, 4100213), (13, 2207807), (17, 1688323), (91, 315401), (119, 241189), (221, 129871), (1547, 18553)]