30890629

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 39529728

約数和(自身を除く): 8639099

約数列:

[1, 7, 11, 49, 77, 223, 257, 539, 1561, 1799, 2453, 2827, 10927, 12593, 17171, 19789, 57311, 120197, 138523, 401177, 630421, 2808239, 4412947, 30890629]

約数ペア:

[(1, 30890629), (7, 4412947), (11, 2808239), (49, 630421), (77, 401177), (223, 138523), (257, 120197), (539, 57311), (1561, 19789), (1799, 17171), (2453, 12593), (2827, 10927)]