1639852825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{5045701}}^1$

素因数の和:5045724

約数の個数: 12

約数和(自身を含む): 2189834668

約数和(自身を除く): 549981843

約数列:

[1, 5, 13, 25, 65, 325, 5045701, 25228505, 65594113, 126142525, 327970565, 1639852825]

約数ペア:

[(1, 1639852825), (5, 327970565), (13, 126142525), (25, 65594113), (65, 25228505), (325, 5045701)]