1284016816

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{1315591}}^1$

素因数の和:1315660

約数の個数: 20

約数和(自身を含む): 2528567824

約数和(自身を除く): 1244551008

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 1315591, 2631182, 5262364, 10524728, 21049456, 80251051, 160502102, 321004204, 642008408, 1284016816]

約数ペア:

[(1, 1284016816), (2, 642008408), (4, 321004204), (8, 160502102), (16, 80251051), (61, 21049456), (122, 10524728), (244, 5262364), (488, 2631182), (976, 1315591)]