65161225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1013}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 84494592

約数和(自身を除く): 19333367

約数列:

[1, 5, 25, 31, 83, 155, 415, 775, 1013, 2075, 2573, 5065, 12865, 25325, 31403, 64325, 84079, 157015, 420395, 785075, 2101975, 2606449, 13032245, 65161225]

約数ペア:

[(1, 65161225), (5, 13032245), (25, 2606449), (31, 2101975), (83, 785075), (155, 420395), (415, 157015), (775, 84079), (1013, 64325), (2075, 31403), (2573, 25325), (5065, 12865)]