40989781

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4019}}^1$

素因数の和:4104

約数の個数: 16

約数和(自身を含む): 49397760

約数和(自身を除く): 8407979

約数列:

[1, 7, 31, 47, 217, 329, 1457, 4019, 10199, 28133, 124589, 188893, 872123, 1322251, 5855683, 40989781]

約数ペア:

[(1, 40989781), (7, 5855683), (31, 1322251), (47, 872123), (217, 188893), (329, 124589), (1457, 28133), (4019, 10199)]