251101825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2851}}^1$

素因数の和:3145

約数の個数: 24

約数和(自身を含む): 336672896

約数和(自身を除く): 85571071

約数列:

[1, 5, 13, 25, 65, 271, 325, 1355, 2851, 3523, 6775, 14255, 17615, 37063, 71275, 88075, 185315, 772621, 926575, 3863105, 10044073, 19315525, 50220365, 251101825]

約数ペア:

[(1, 251101825), (5, 50220365), (13, 19315525), (25, 10044073), (65, 3863105), (271, 926575), (325, 772621), (1355, 185315), (2851, 88075), (3523, 71275), (6775, 37063), (14255, 17615)]