68863081

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:123

約数の個数: 40

約数和(自身を含む): 88735680

約数和(自身を除く): 19872599

約数列:

[1, 7, 23, 29, 43, 49, 161, 203, 301, 343, 667, 989, 1127, 1247, 1421, 2107, 2401, 4669, 6923, 7889, 8729, 9947, 14749, 28681, 32683, 48461, 55223, 61103, 69629, 103243, 200767, 228781, 339227, 427721, 1405369, 1601467, 2374589, 2994047, 9837583, 68863081]

約数ペア:

[(1, 68863081), (7, 9837583), (23, 2994047), (29, 2374589), (43, 1601467), (49, 1405369), (161, 427721), (203, 339227), (301, 228781), (343, 200767), (667, 103243), (989, 69629), (1127, 61103), (1247, 55223), (1421, 48461), (2107, 32683), (2401, 28681), (4669, 14749), (6923, 9947), (7889, 8729)]