81475792

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{47591}}^1$

素因数の和:47706

約数の個数: 20

約数和(自身を含む): 159338016

約数和(自身を除く): 77862224

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 47591, 95182, 190364, 380728, 761456, 5092237, 10184474, 20368948, 40737896, 81475792]

約数ペア:

[(1, 81475792), (2, 40737896), (4, 20368948), (8, 10184474), (16, 5092237), (107, 761456), (214, 380728), (428, 190364), (856, 95182), (1712, 47591)]