65212225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1231}}^1$

素因数の和:1417

約数の個数: 24

約数和(自身を含む): 87688832

約数和(自身を除く): 22476607

約数列:

[1, 5, 13, 25, 65, 163, 325, 815, 1231, 2119, 4075, 6155, 10595, 16003, 30775, 52975, 80015, 200653, 400075, 1003265, 2608489, 5016325, 13042445, 65212225]

約数ペア:

[(1, 65212225), (5, 13042445), (13, 5016325), (25, 2608489), (65, 1003265), (163, 400075), (325, 200653), (815, 80015), (1231, 52975), (2119, 30775), (4075, 16003), (6155, 10595)]