201085925

素因数分解:

$5^2\times {\mathrm{109}}^2\times {\mathrm{677}}^1$

素因数の和:905

約数の個数: 18

約数和(自身を含む): 252026838

約数和(自身を除く): 50940913

約数列:

[1, 5, 25, 109, 545, 677, 2725, 3385, 11881, 16925, 59405, 73793, 297025, 368965, 1844825, 8043437, 40217185, 201085925]

約数ペア:

[(1, 201085925), (5, 40217185), (25, 8043437), (109, 1844825), (545, 368965), (677, 297025), (2725, 73793), (3385, 59405), (11881, 16925)]