28729393

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:453

約数の個数: 24

約数和(自身を含む): 36542016

約数和(自身を除く): 7812623

約数列:

[1, 7, 11, 77, 107, 121, 317, 749, 847, 1177, 2219, 3487, 8239, 12947, 24409, 33919, 38357, 90629, 237433, 268499, 373109, 2611763, 4104199, 28729393]

約数ペア:

[(1, 28729393), (7, 4104199), (11, 2611763), (77, 373109), (107, 268499), (121, 237433), (317, 90629), (749, 38357), (847, 33919), (1177, 24409), (2219, 12947), (3487, 8239)]