669718825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{10037}}^1$

素因数の和:10221

約数の個数: 24

約数和(自身を含む): 884990232

約数和(自身を除く): 215271407

約数列:

[1, 5, 17, 25, 85, 157, 425, 785, 2669, 3925, 10037, 13345, 50185, 66725, 170629, 250925, 853145, 1575809, 4265725, 7879045, 26788753, 39395225, 133943765, 669718825]

約数ペア:

[(1, 669718825), (5, 133943765), (17, 39395225), (25, 26788753), (85, 7879045), (157, 4265725), (425, 1575809), (785, 853145), (2669, 250925), (3925, 170629), (10037, 66725), (13345, 50185)]