26987225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 34732152

約数和(自身を除く): 7744927

約数列:

[1, 5, 25, 41, 113, 205, 233, 565, 1025, 1165, 2825, 4633, 5825, 9553, 23165, 26329, 47765, 115825, 131645, 238825, 658225, 1079489, 5397445, 26987225]

約数ペア:

[(1, 26987225), (5, 5397445), (25, 1079489), (41, 658225), (113, 238825), (205, 131645), (233, 115825), (565, 47765), (1025, 26329), (1165, 23165), (2825, 9553), (4633, 5825)]