28721000804

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{69711167}}^1$

素因数の和:69711274

約数の個数: 12

約数和(自身を含む): 50749730304

約数和(自身を除く): 22028729500

約数列:

[1, 2, 4, 103, 206, 412, 69711167, 139422334, 278844668, 7180250201, 14360500402, 28721000804]

約数ペア:

[(1, 28721000804), (2, 14360500402), (4, 7180250201), (103, 278844668), (206, 139422334), (412, 69711167)]