420725845

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1\times {\mathrm{4909}}^1$

素因数の和:5256

約数の個数: 16

約数和(自身を含む): 515078640

約数和(自身を除く): 94352795

約数列:

[1, 5, 61, 281, 305, 1405, 4909, 17141, 24545, 85705, 299449, 1379429, 1497245, 6897145, 84145169, 420725845]

約数ペア:

[(1, 420725845), (5, 84145169), (61, 6897145), (281, 1497245), (305, 1379429), (1405, 299449), (4909, 85705), (17141, 24545)]