61844225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{401}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 79756800

約数和(自身を除く): 17912575

約数列:

[1, 5, 25, 31, 155, 199, 401, 775, 995, 2005, 4975, 6169, 10025, 12431, 30845, 62155, 79799, 154225, 310775, 398995, 1994975, 2473769, 12368845, 61844225]

約数ペア:

[(1, 61844225), (5, 12368845), (25, 2473769), (31, 1994975), (155, 398995), (199, 310775), (401, 154225), (775, 79799), (995, 62155), (2005, 30845), (4975, 12431), (6169, 10025)]