12857831

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 15676416

約数和(自身を除く): 2818585

約数列:

[1, 7, 17, 119, 167, 647, 1169, 2839, 4529, 10999, 19873, 76993, 108049, 756343, 1836833, 12857831]

約数ペア:

[(1, 12857831), (7, 1836833), (17, 756343), (119, 108049), (167, 76993), (647, 19873), (1169, 10999), (2839, 4529)]