156894913

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{168523}}^1$

素因数の和:168556

約数の個数: 12

約数和(自身を含む): 192117360

約数和(自身を除く): 35222447

約数列:

[1, 7, 19, 49, 133, 931, 168523, 1179661, 3201937, 8257627, 22413559, 156894913]

約数ペア:

[(1, 156894913), (7, 22413559), (19, 8257627), (49, 3201937), (133, 1179661), (931, 168523)]