225408085

素因数分解:

$5^1\times 7^2\times {\mathrm{283}}^1\times {\mathrm{3251}}^1$

素因数の和:3553

約数の個数: 24

約数和(自身を含む): 315860256

約数和(自身を除く): 90452171

約数列:

[1, 5, 7, 35, 49, 245, 283, 1415, 1981, 3251, 9905, 13867, 16255, 22757, 69335, 113785, 159299, 796495, 920033, 4600165, 6440231, 32201155, 45081617, 225408085]

約数ペア:

[(1, 225408085), (5, 45081617), (7, 32201155), (35, 6440231), (49, 4600165), (245, 920033), (283, 796495), (1415, 159299), (1981, 113785), (3251, 69335), (9905, 22757), (13867, 16255)]