256408801

素因数分解:

${\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{20981}}^1$

素因数の和:21104

約数の個数: 12

約数和(自身を含む): 284641812

約数和(自身を除く): 28233011

約数列:

[1, 11, 101, 121, 1111, 12221, 20981, 230791, 2119081, 2538701, 23309891, 256408801]

約数ペア:

[(1, 256408801), (11, 23309891), (101, 2538701), (121, 2119081), (1111, 230791), (12221, 20981)]