2019917977

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{317}}^1\times {\mathrm{7523}}^1$

素因数の和:7869

約数の個数: 24

約数和(自身を含む): 2545760448

約数和(自身を除く): 525842471

約数列:

[1, 7, 11, 77, 121, 317, 847, 2219, 3487, 7523, 24409, 38357, 52661, 82753, 268499, 579271, 910283, 2384791, 6371981, 16693537, 26232701, 183628907, 288559711, 2019917977]

約数ペア:

[(1, 2019917977), (7, 288559711), (11, 183628907), (77, 26232701), (121, 16693537), (317, 6371981), (847, 2384791), (2219, 910283), (3487, 579271), (7523, 268499), (24409, 82753), (38357, 52661)]