1980765178

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3823871}}^1$

素因数の和:3823917

約数の個数: 16

約数和(自身を含む): 3487371264

約数和(自身を除く): 1506606086

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 3823871, 7647742, 26767097, 53534194, 141483227, 282966454, 990382589, 1980765178]

約数ペア:

[(1, 1980765178), (2, 990382589), (7, 282966454), (14, 141483227), (37, 53534194), (74, 26767097), (259, 7647742), (518, 3823871)]