65709865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2521}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 85162896

約数和(自身を除く): 19453031

約数列:

[1, 5, 13, 65, 401, 2005, 2521, 5213, 12605, 26065, 32773, 163865, 1010921, 5054605, 13141973, 65709865]

約数ペア:

[(1, 65709865), (5, 13141973), (13, 5054605), (65, 1010921), (401, 163865), (2005, 32773), (2521, 26065), (5213, 12605)]