391302005

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{10987}}^1$

素因数の和:11428

約数の個数: 16

約数和(自身を含む): 498415680

約数和(自身を除く): 107113675

約数列:

[1, 5, 17, 85, 419, 2095, 7123, 10987, 35615, 54935, 186779, 933895, 4603553, 23017765, 78260401, 391302005]

約数ペア:

[(1, 391302005), (5, 78260401), (17, 23017765), (85, 4603553), (419, 933895), (2095, 186779), (7123, 54935), (10987, 35615)]