2193425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 3109176

約数和(自身を除く): 915751

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 397, 425, 1105, 1985, 5161, 5525, 6749, 9925, 25805, 33745, 87737, 129025, 168725, 438685, 2193425]

約数ペア:

[(1, 2193425), (5, 438685), (13, 168725), (17, 129025), (25, 87737), (65, 33745), (85, 25805), (221, 9925), (325, 6749), (397, 5525), (425, 5161), (1105, 1985)]