13457906

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2819}}^1$

素因数の和:2870

約数の個数: 32

約数和(自身を含む): 25989120

約数和(自身を除く): 12531214

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 2819, 4774, 5638, 19733, 31009, 39466, 62018, 87389, 174778, 217063, 434126, 611723, 961279, 1223446, 1922558, 6728953, 13457906]

約数ペア:

[(1, 13457906), (2, 6728953), (7, 1922558), (11, 1223446), (14, 961279), (22, 611723), (31, 434126), (62, 217063), (77, 174778), (154, 87389), (217, 62018), (341, 39466), (434, 31009), (682, 19733), (2387, 5638), (2819, 4774)]