208190017

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{2749}}^1$

素因数の和:3136

約数の個数: 16

約数和(自身を含む): 246400000

約数和(自身を除く): 38209983

約数列:

[1, 7, 31, 217, 349, 2443, 2749, 10819, 19243, 75733, 85219, 596533, 959401, 6715807, 29741431, 208190017]

約数ペア:

[(1, 208190017), (7, 29741431), (31, 6715807), (217, 959401), (349, 596533), (2443, 85219), (2749, 75733), (10819, 19243)]