12788372

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{499}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 23100000

約数和(自身を除く): 10311628

約数列:

[1, 2, 4, 43, 86, 149, 172, 298, 499, 596, 998, 1996, 6407, 12814, 21457, 25628, 42914, 74351, 85828, 148702, 297404, 3197093, 6394186, 12788372]

約数ペア:

[(1, 12788372), (2, 6394186), (4, 3197093), (43, 297404), (86, 148702), (149, 85828), (172, 74351), (298, 42914), (499, 25628), (596, 21457), (998, 12814), (1996, 6407)]