28815787

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2617}}^1$

素因数の和:2659

約数の個数: 24

約数和(自身を含む): 38997728

約数和(自身を除く): 10181941

約数列:

[1, 7, 11, 13, 77, 91, 121, 143, 847, 1001, 1573, 2617, 11011, 18319, 28787, 34021, 201509, 238147, 316657, 374231, 2216599, 2619617, 4116541, 28815787]

約数ペア:

[(1, 28815787), (7, 4116541), (11, 2619617), (13, 2216599), (77, 374231), (91, 316657), (121, 238147), (143, 201509), (847, 34021), (1001, 28787), (1573, 18319), (2617, 11011)]