81729518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{9007}}^1$

素因数の和:9371

約数の個数: 16

約数和(自身を含む): 132417600

約数和(自身を除く): 50688082

約数列:

[1, 2, 13, 26, 349, 698, 4537, 9007, 9074, 18014, 117091, 234182, 3143443, 6286886, 40864759, 81729518]

約数ペア:

[(1, 81729518), (2, 40864759), (13, 6286886), (26, 3143443), (349, 234182), (698, 117091), (4537, 18014), (9007, 9074)]