31276778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{16943}}^1$

素因数の和:17029

約数の個数: 16

約数和(自身を含む): 51238656

約数和(自身を除く): 19961878

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 16943, 33886, 220259, 440518, 1202953, 2405906, 15638389, 31276778]

約数ペア:

[(1, 31276778), (2, 15638389), (13, 2405906), (26, 1202953), (71, 440518), (142, 220259), (923, 33886), (1846, 16943)]