251071925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{2437}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 336473256

約数和(自身を除く): 85401331

約数列:

[1, 5, 13, 25, 65, 317, 325, 1585, 2437, 4121, 7925, 12185, 20605, 31681, 60925, 103025, 158405, 772529, 792025, 3862645, 10042877, 19313225, 50214385, 251071925]

約数ペア:

[(1, 251071925), (5, 50214385), (13, 19313225), (25, 10042877), (65, 3862645), (317, 792025), (325, 772529), (1585, 158405), (2437, 103025), (4121, 60925), (7925, 31681), (12185, 20605)]