81139498

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{7079}}^1$

素因数の和:7613

約数の個数: 16

約数和(自身を含む): 133047360

約数和(自身を除く): 51907862

約数列:

[1, 2, 11, 22, 521, 1042, 5731, 7079, 11462, 14158, 77869, 155738, 3688159, 7376318, 40569749, 81139498]

約数ペア:

[(1, 81139498), (2, 40569749), (11, 7376318), (22, 3688159), (521, 155738), (1042, 77869), (5731, 14158), (7079, 11462)]