291220985

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{3463}}^1$

素因数の和:3629

約数の個数: 24

約数和(自身を含む): 386998080

約数和(自身を除く): 95777095

約数列:

[1, 5, 11, 55, 121, 139, 605, 695, 1529, 3463, 7645, 16819, 17315, 38093, 84095, 190465, 419023, 481357, 2095115, 2406785, 5294927, 26474635, 58244197, 291220985]

約数ペア:

[(1, 291220985), (5, 58244197), (11, 26474635), (55, 5294927), (121, 2406785), (139, 2095115), (605, 481357), (695, 419023), (1529, 190465), (3463, 84095), (7645, 38093), (16819, 17315)]