208408031

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{2309}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 230519520

約数和(自身を除く): 22111489

約数列:

[1, 13, 53, 131, 689, 1703, 2309, 6943, 30017, 90259, 122377, 302479, 1590901, 3932227, 16031387, 208408031]

約数ペア:

[(1, 208408031), (13, 16031387), (53, 3932227), (131, 1590901), (689, 302479), (1703, 122377), (2309, 90259), (6943, 30017)]