204390905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{2531}}^1$

素因数の和:3088

約数の個数: 16

約数和(自身を含む): 253767168

約数和(自身を除く): 49376263

約数列:

[1, 5, 31, 155, 521, 2531, 2605, 12655, 16151, 78461, 80755, 392305, 1318651, 6593255, 40878181, 204390905]

約数ペア:

[(1, 204390905), (5, 40878181), (31, 6593255), (155, 1318651), (521, 392305), (2531, 80755), (2605, 78461), (12655, 16151)]