521002495

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{751}}^1\times {\mathrm{821}}^1$

素因数の和:1603

約数の個数: 24

約数和(自身を含む): 678722112

約数和(自身を除く): 157719617

約数列:

[1, 5, 13, 65, 169, 751, 821, 845, 3755, 4105, 9763, 10673, 48815, 53365, 126919, 138749, 616571, 634595, 693745, 3082855, 8015423, 40077115, 104200499, 521002495]

約数ペア:

[(1, 521002495), (5, 104200499), (13, 40077115), (65, 8015423), (169, 3082855), (751, 693745), (821, 634595), (845, 616571), (3755, 138749), (4105, 126919), (9763, 53365), (10673, 48815)]