28323178

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 18972182

約数列:

[1, 2, 13, 26, 67, 71, 134, 142, 229, 458, 871, 923, 1742, 1846, 2977, 4757, 5954, 9514, 15343, 16259, 30686, 32518, 61841, 123682, 199459, 211367, 398918, 422734, 1089353, 2178706, 14161589, 28323178]

約数ペア:

[(1, 28323178), (2, 14161589), (13, 2178706), (26, 1089353), (67, 422734), (71, 398918), (134, 211367), (142, 199459), (229, 123682), (458, 61841), (871, 32518), (923, 30686), (1742, 16259), (1846, 15343), (2977, 9514), (4757, 5954)]