1628667065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{4001}}^1\times {\mathrm{4789}}^1$

素因数の和:8812

約数の個数: 16

約数和(自身を含む): 2070314640

約数和(自身を除く): 441647575

約数列:

[1, 5, 17, 85, 4001, 4789, 20005, 23945, 68017, 81413, 340085, 407065, 19160789, 95803945, 325733413, 1628667065]

約数ペア:

[(1, 1628667065), (5, 325733413), (17, 95803945), (85, 19160789), (4001, 407065), (4789, 340085), (20005, 81413), (23945, 68017)]