153978985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{691}}^1\times {\mathrm{1087}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 189729792

約数和(自身を除く): 35750807

約数列:

[1, 5, 41, 205, 691, 1087, 3455, 5435, 28331, 44567, 141655, 222835, 751117, 3755585, 30795797, 153978985]

約数ペア:

[(1, 153978985), (5, 30795797), (41, 3755585), (205, 751117), (691, 222835), (1087, 141655), (3455, 44567), (5435, 28331)]