39949906

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1\times {\mathrm{2707}}^1$

素因数の和:2913

約数の個数: 16

約数和(自身を含む): 61612416

約数和(自身を除く): 21662510

約数列:

[1, 2, 47, 94, 157, 314, 2707, 5414, 7379, 14758, 127229, 254458, 424999, 849998, 19974953, 39949906]

約数ペア:

[(1, 39949906), (2, 19974953), (47, 849998), (94, 424999), (157, 254458), (314, 127229), (2707, 14758), (5414, 7379)]