289649620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1114037}}^1$

素因数の和:1114059

約数の個数: 24

約数和(自身を含む): 655054344

約数和(自身を除く): 365404724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1114037, 2228074, 4456148, 5570185, 11140370, 14482481, 22280740, 28964962, 57929924, 72412405, 144824810, 289649620]

約数ペア:

[(1, 289649620), (2, 144824810), (4, 72412405), (5, 57929924), (10, 28964962), (13, 22280740), (20, 14482481), (26, 11140370), (52, 5570185), (65, 4456148), (130, 2228074), (260, 1114037)]