68616665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{6991}}^1$

素因数の和:7160

約数の個数: 16

約数和(自身を含む): 89273856

約数和(自身を除く): 20657191

約数列:

[1, 5, 13, 65, 151, 755, 1963, 6991, 9815, 34955, 90883, 454415, 1055641, 5278205, 13723333, 68616665]

約数ペア:

[(1, 68616665), (5, 13723333), (13, 5278205), (65, 1055641), (151, 454415), (755, 90883), (1963, 34955), (6991, 9815)]