81913585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{6397}}^1$

素因数の和:6612

約数の個数: 16

約数和(自身を含む): 106411536

約数和(自身を除く): 24497951

約数列:

[1, 5, 13, 65, 197, 985, 2561, 6397, 12805, 31985, 83161, 415805, 1260209, 6301045, 16382717, 81913585]

約数ペア:

[(1, 81913585), (5, 16382717), (13, 6301045), (65, 1260209), (197, 415805), (985, 83161), (2561, 31985), (6397, 12805)]