71384815

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:1002

約数の個数: 16

約数和(自身を含む): 87320160

約数和(自身を除く): 15935345

約数列:

[1, 5, 67, 335, 409, 521, 2045, 2605, 27403, 34907, 137015, 174535, 213089, 1065445, 14276963, 71384815]

約数ペア:

[(1, 71384815), (5, 14276963), (67, 1065445), (335, 213089), (409, 174535), (521, 137015), (2045, 34907), (2605, 27403)]