56687995

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4075

約数の個数: 32

約数和(自身を含む): 86446080

約数和(自身を除く): 29758085

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 4019, 14105, 20095, 28133, 52247, 124589, 140665, 261235, 365729, 622945, 872123, 1619657, 1828645, 4360615, 8098285, 11337599, 56687995]

約数ペア:

[(1, 56687995), (5, 11337599), (7, 8098285), (13, 4360615), (31, 1828645), (35, 1619657), (65, 872123), (91, 622945), (155, 365729), (217, 261235), (403, 140665), (455, 124589), (1085, 52247), (2015, 28133), (2821, 20095), (4019, 14105)]