634660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2441}}^1$

素因数の和:2463

約数の個数: 24

約数和(自身を含む): 1435896

約数和(自身を除く): 801236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2441, 4882, 9764, 12205, 24410, 31733, 48820, 63466, 126932, 158665, 317330, 634660]

約数ペア:

[(1, 634660), (2, 317330), (4, 158665), (5, 126932), (10, 63466), (13, 48820), (20, 31733), (26, 24410), (52, 12205), (65, 9764), (130, 4882), (260, 2441)]