991630225

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{363901}}^1$

素因数の和:364020

約数の個数: 12

約数和(自身を含む): 1240905820

約数和(自身を除く): 249275595

約数列:

[1, 5, 25, 109, 545, 2725, 363901, 1819505, 9097525, 39665209, 198326045, 991630225]

約数ペア:

[(1, 991630225), (5, 198326045), (25, 39665209), (109, 9097525), (545, 1819505), (2725, 363901)]