28393988

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{7741}}^1$

素因数の和:7883

約数の個数: 24

約数和(自身を含む): 57228864

約数和(自身を除く): 28834876

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 7741, 15482, 30964, 54187, 108374, 216748, 1014071, 2028142, 4056284, 7098497, 14196994, 28393988]

約数ペア:

[(1, 28393988), (2, 14196994), (4, 7098497), (7, 4056284), (14, 2028142), (28, 1014071), (131, 216748), (262, 108374), (524, 54187), (917, 30964), (1834, 15482), (3668, 7741)]