67440709

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 83475360

約数和(自身を除く): 16034651

約数列:

[1, 7, 19, 49, 107, 133, 677, 749, 931, 2033, 4739, 5243, 12863, 14231, 33173, 72439, 90041, 99617, 507073, 630287, 1376341, 3549511, 9634387, 67440709]

約数ペア:

[(1, 67440709), (7, 9634387), (19, 3549511), (49, 1376341), (107, 630287), (133, 507073), (677, 99617), (749, 90041), (931, 72439), (2033, 33173), (4739, 14231), (5243, 12863)]