12991958

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3583}}^1$

素因数の和:3636

約数の個数: 24

約数和(自身を含む): 23288832

約数和(自身を除く): 10296874

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 259, 518, 1813, 3583, 3626, 7166, 25081, 50162, 132571, 175567, 265142, 351134, 927997, 1855994, 6495979, 12991958]

約数ペア:

[(1, 12991958), (2, 6495979), (7, 1855994), (14, 927997), (37, 351134), (49, 265142), (74, 175567), (98, 132571), (259, 50162), (518, 25081), (1813, 7166), (3583, 3626)]