28239533

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 8048467

約数列:

[1, 7, 17, 29, 49, 119, 167, 203, 343, 493, 833, 1169, 1421, 2839, 3451, 4843, 5831, 8183, 9947, 19873, 24157, 33901, 57281, 82331, 139111, 169099, 237307, 576317, 973777, 1661149, 4034219, 28239533]

約数ペア:

[(1, 28239533), (7, 4034219), (17, 1661149), (29, 973777), (49, 576317), (119, 237307), (167, 169099), (203, 139111), (343, 82331), (493, 57281), (833, 33901), (1169, 24157), (1421, 19873), (2839, 9947), (3451, 8183), (4843, 5831)]