80920546

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81409}}^1$

素因数の和:81489

約数の個数: 16

約数和(自身を含む): 140676480

約数和(自身を除く): 59755934

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 81409, 162818, 569863, 1139726, 5780039, 11560078, 40460273, 80920546]

約数ペア:

[(1, 80920546), (2, 40460273), (7, 11560078), (14, 5780039), (71, 1139726), (142, 569863), (497, 162818), (994, 81409)]