31513426

素因数分解:

$2^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:418

約数の個数: 32

約数和(自身を含む): 55313280

約数和(自身を除く): 23799854

約数列:

[1, 2, 7, 14, 107, 109, 193, 214, 218, 386, 749, 763, 1351, 1498, 1526, 2702, 11663, 20651, 21037, 23326, 41302, 42074, 81641, 144557, 147259, 163282, 289114, 294518, 2250959, 4501918, 15756713, 31513426]

約数ペア:

[(1, 31513426), (2, 15756713), (7, 4501918), (14, 2250959), (107, 294518), (109, 289114), (193, 163282), (214, 147259), (218, 144557), (386, 81641), (749, 42074), (763, 41302), (1351, 23326), (1498, 21037), (1526, 20651), (2702, 11663)]