157023425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1217}}^1$

素因数の和:1637

約数の個数: 24

約数和(自身を含む): 210387576

約数和(自身を除く): 53364151

約数列:

[1, 5, 13, 25, 65, 325, 397, 1217, 1985, 5161, 6085, 9925, 15821, 25805, 30425, 79105, 129025, 395525, 483149, 2415745, 6280937, 12078725, 31404685, 157023425]

約数ペア:

[(1, 157023425), (5, 31404685), (13, 12078725), (25, 6280937), (65, 2415745), (325, 483149), (397, 395525), (1217, 129025), (1985, 79105), (5161, 30425), (6085, 25805), (9925, 15821)]