28084105

素因数分解:

$5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1451}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 39726720

約数和(自身を除く): 11642615

約数列:

[1, 5, 7, 35, 49, 79, 245, 395, 553, 1451, 2765, 3871, 7255, 10157, 19355, 50785, 71099, 114629, 355495, 573145, 802403, 4012015, 5616821, 28084105]

約数ペア:

[(1, 28084105), (5, 5616821), (7, 4012015), (35, 802403), (49, 573145), (79, 355495), (245, 114629), (395, 71099), (553, 50785), (1451, 19355), (2765, 10157), (3871, 7255)]