78930404

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{12641}}^1$

素因数の和:12875

約数の個数: 24

約数和(自身を含む): 158581248

約数和(自身を除く): 79650844

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 12641, 25282, 50564, 88487, 176974, 353948, 2818943, 5637886, 11275772, 19732601, 39465202, 78930404]

約数ペア:

[(1, 78930404), (2, 39465202), (4, 19732601), (7, 11275772), (14, 5637886), (28, 2818943), (223, 353948), (446, 176974), (892, 88487), (1561, 50564), (3122, 25282), (6244, 12641)]