221402425

素因数分解:

$5^2\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{233}}^1$

素因数の和:633

約数の個数: 24

約数和(自身を含む): 278553600

約数和(自身を除く): 57151175

約数列:

[1, 5, 25, 191, 199, 233, 955, 995, 1165, 4775, 4975, 5825, 38009, 44503, 46367, 190045, 222515, 231835, 950225, 1112575, 1159175, 8856097, 44280485, 221402425]

約数ペア:

[(1, 221402425), (5, 44280485), (25, 8856097), (191, 1159175), (199, 1112575), (233, 950225), (955, 231835), (995, 222515), (1165, 190045), (4775, 46367), (4975, 44503), (5825, 38009)]