28245425

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{373}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 37981944

約数和(自身を除く): 9736519

約数列:

[1, 5, 13, 25, 65, 233, 325, 373, 1165, 1865, 3029, 4849, 5825, 9325, 15145, 24245, 75725, 86909, 121225, 434545, 1129817, 2172725, 5649085, 28245425]

約数ペア:

[(1, 28245425), (5, 5649085), (13, 2172725), (25, 1129817), (65, 434545), (233, 121225), (325, 86909), (373, 75725), (1165, 24245), (1865, 15145), (3029, 9325), (4849, 5825)]