398528065

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{41149}}^1$

素因数の和:41316

約数の個数: 16

約数和(自身を含む): 518490000

約数和(自身を除く): 119961935

約数列:

[1, 5, 13, 65, 149, 745, 1937, 9685, 41149, 205745, 534937, 2674685, 6131201, 30656005, 79705613, 398528065]

約数ペア:

[(1, 398528065), (5, 79705613), (13, 30656005), (65, 6131201), (149, 2674685), (745, 534937), (1937, 205745), (9685, 41149)]