217054405

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{3967}}^1$

素因数の和:4356

約数の個数: 16

約数和(自身を含む): 269697024

約数和(自身を除く): 52642619

約数列:

[1, 5, 31, 155, 353, 1765, 3967, 10943, 19835, 54715, 122977, 614885, 1400351, 7001755, 43410881, 217054405]

約数ペア:

[(1, 217054405), (5, 43410881), (31, 7001755), (155, 1400351), (353, 614885), (1765, 122977), (3967, 54715), (10943, 19835)]