12987416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2657}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 26792640

約数和(自身を除く): 13805224

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 2657, 4888, 5314, 10628, 21256, 34541, 69082, 124879, 138164, 249758, 276328, 499516, 999032, 1623427, 3246854, 6493708, 12987416]

約数ペア:

[(1, 12987416), (2, 6493708), (4, 3246854), (8, 1623427), (13, 999032), (26, 499516), (47, 276328), (52, 249758), (94, 138164), (104, 124879), (188, 69082), (376, 34541), (611, 21256), (1222, 10628), (2444, 5314), (2657, 4888)]