201657491

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{178933}}^1$

素因数の和:178970

約数の個数: 12

約数和(自身を含む): 244781712

約数和(自身を除く): 43124221

約数列:

[1, 7, 23, 49, 161, 1127, 178933, 1252531, 4115459, 8767717, 28808213, 201657491]

約数ペア:

[(1, 201657491), (7, 28808213), (23, 8767717), (49, 4115459), (161, 1252531), (1127, 178933)]