210008777525

素因数分解:

$5^2\times {\mathrm{7901}}^1\times {\mathrm{1063201}}^1$

素因数の和:1071112

約数の個数: 12

約数和(自身を含む): 260444088324

約数和(自身を除く): 50435310799

約数列:

[1, 5, 25, 7901, 39505, 197525, 1063201, 5316005, 26580025, 8400351101, 42001755505, 210008777525]

約数ペア:

[(1, 210008777525), (5, 42001755505), (25, 8400351101), (7901, 26580025), (39505, 5316005), (197525, 1063201)]