9921844225

素因数分解:

$5^2\times {\mathrm{223}}^1\times {\mathrm{1779703}}^1$

素因数の和:1779936

約数の個数: 12

約数和(自身を含む): 12358264576

約数和(自身を除く): 2436420351

約数列:

[1, 5, 25, 223, 1115, 5575, 1779703, 8898515, 44492575, 396873769, 1984368845, 9921844225]

約数ペア:

[(1, 9921844225), (5, 1984368845), (25, 396873769), (223, 44492575), (1115, 8898515), (5575, 1779703)]