13972021

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:684

約数の個数: 16

約数和(自身を含む): 16571520

約数和(自身を除く): 2599499

約数列:

[1, 7, 41, 89, 287, 547, 623, 3649, 3829, 22427, 25543, 48683, 156989, 340781, 1996003, 13972021]

約数ペア:

[(1, 13972021), (7, 1996003), (41, 340781), (89, 156989), (287, 48683), (547, 25543), (623, 22427), (3649, 3829)]