28788328

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1579}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 56311200

約数和(自身を除く): 27522872

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 1579, 2279, 3158, 4558, 6316, 9116, 12632, 18232, 67897, 83687, 135794, 167374, 271588, 334748, 543176, 669496, 3598541, 7197082, 14394164, 28788328]

約数ペア:

[(1, 28788328), (2, 14394164), (4, 7197082), (8, 3598541), (43, 669496), (53, 543176), (86, 334748), (106, 271588), (172, 167374), (212, 135794), (344, 83687), (424, 67897), (1579, 18232), (2279, 12632), (3158, 9116), (4558, 6316)]