157020215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{15773}}^1$

素因数の和:15970

約数の個数: 16

約数和(自身を含む): 206702496

約数和(自身を除く): 49682281

約数列:

[1, 5, 11, 55, 181, 905, 1991, 9955, 15773, 78865, 173503, 867515, 2854913, 14274565, 31404043, 157020215]

約数ペア:

[(1, 157020215), (5, 31404043), (11, 14274565), (55, 2854913), (181, 867515), (905, 173503), (1991, 78865), (9955, 15773)]