156680315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{40123}}^1$

素因数の和:40210

約数の個数: 16

約数和(自身を含む): 208002816

約数和(自身を除く): 51322501

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 40123, 200615, 441353, 2206765, 2848733, 14243665, 31336063, 156680315]

約数ペア:

[(1, 156680315), (5, 31336063), (11, 14243665), (55, 2848733), (71, 2206765), (355, 441353), (781, 200615), (3905, 40123)]