17128307

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{557}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 20570112

約数和(自身を除く): 3441805

約数列:

[1, 7, 23, 161, 191, 557, 1337, 3899, 4393, 12811, 30751, 89677, 106387, 744709, 2446901, 17128307]

約数ペア:

[(1, 17128307), (7, 2446901), (23, 744709), (161, 106387), (191, 89677), (557, 30751), (1337, 12811), (3899, 4393)]