220885511

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{20939}}^1$

素因数の和:21094

約数の個数: 16

約数和(自身を含む): 277413120

約数和(自身を除く): 56527609

約数列:

[1, 7, 11, 77, 137, 959, 1507, 10549, 20939, 146573, 230329, 1612303, 2868643, 20080501, 31555073, 220885511]

約数ペア:

[(1, 220885511), (7, 31555073), (11, 20080501), (77, 2868643), (137, 1612303), (959, 230329), (1507, 146573), (10549, 20939)]