20161819925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{569141}}^1$

素因数の和:569273

約数の個数: 24

約数和(自身を含む): 27170839080

約数和(自身を除く): 7009019155

約数列:

[1, 5, 13, 25, 65, 109, 325, 545, 1417, 2725, 7085, 35425, 569141, 2845705, 7398833, 14228525, 36994165, 62036369, 184970825, 310181845, 806472797, 1550909225, 4032363985, 20161819925]

約数ペア:

[(1, 20161819925), (5, 4032363985), (13, 1550909225), (25, 806472797), (65, 310181845), (109, 184970825), (325, 62036369), (545, 36994165), (1417, 14228525), (2725, 7398833), (7085, 2845705), (35425, 569141)]