28981295

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{4079}}^1$

素因数の和:4127

約数の個数: 24

約数和(自身を含む): 41860800

約数和(自身を除く): 12879505

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 4079, 7105, 20395, 28553, 118291, 142765, 199871, 591455, 828037, 999355, 4140185, 5796259, 28981295]

約数ペア:

[(1, 28981295), (5, 5796259), (7, 4140185), (29, 999355), (35, 828037), (49, 591455), (145, 199871), (203, 142765), (245, 118291), (1015, 28553), (1421, 20395), (4079, 7105)]