81628105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{33941}}^1$

素因数の和:33996

約数の個数: 16

約数和(自身を含む): 108342864

約数和(自身を除く): 26714759

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 33941, 169705, 441233, 1255817, 2206165, 6279085, 16325621, 81628105]

約数ペア:

[(1, 81628105), (5, 16325621), (13, 6279085), (37, 2206165), (65, 1255817), (185, 441233), (481, 169705), (2405, 33941)]