31366025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 40497408

約数和(自身を除く): 9131383

約数列:

[1, 5, 25, 41, 71, 205, 355, 431, 1025, 1775, 2155, 2911, 10775, 14555, 17671, 30601, 72775, 88355, 153005, 441775, 765025, 1254641, 6273205, 31366025]

約数ペア:

[(1, 31366025), (5, 6273205), (25, 1254641), (41, 765025), (71, 441775), (205, 153005), (355, 88355), (431, 72775), (1025, 30601), (1775, 17671), (2155, 14555), (2911, 10775)]