489883955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^2\times {\mathrm{461}}^1$

素因数の和:755

約数の個数: 24

約数和(自身を含む): 647350704

約数和(自身を除く): 157466749

約数列:

[1, 5, 11, 55, 139, 461, 695, 1529, 2305, 5071, 7645, 19321, 25355, 64079, 96605, 212531, 320395, 704869, 1062655, 3524345, 8906981, 44534905, 97976791, 489883955]

約数ペア:

[(1, 489883955), (5, 97976791), (11, 44534905), (55, 8906981), (139, 3524345), (461, 1062655), (695, 704869), (1529, 320395), (2305, 212531), (5071, 96605), (7645, 64079), (19321, 25355)]