7921804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 15966720

約数和(自身を除く): 8044916

約数列:

[1, 2, 4, 11, 22, 43, 44, 53, 79, 86, 106, 158, 172, 212, 316, 473, 583, 869, 946, 1166, 1738, 1892, 2279, 2332, 3397, 3476, 4187, 4558, 6794, 8374, 9116, 13588, 16748, 25069, 37367, 46057, 50138, 74734, 92114, 100276, 149468, 180041, 184228, 360082, 720164, 1980451, 3960902, 7921804]

約数ペア:

[(1, 7921804), (2, 3960902), (4, 1980451), (11, 720164), (22, 360082), (43, 184228), (44, 180041), (53, 149468), (79, 100276), (86, 92114), (106, 74734), (158, 50138), (172, 46057), (212, 37367), (316, 25069), (473, 16748), (583, 13588), (869, 9116), (946, 8374), (1166, 6794), (1738, 4558), (1892, 4187), (2279, 3476), (2332, 3397)]