39720401

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{503}}^1$

素因数の和:928

約数の個数: 16

約数和(自身を含む): 47174400

約数和(自身を除く): 7453999

約数列:

[1, 7, 29, 203, 389, 503, 2723, 3521, 11281, 14587, 78967, 102109, 195667, 1369669, 5674343, 39720401]

約数ペア:

[(1, 39720401), (7, 5674343), (29, 1369669), (203, 195667), (389, 102109), (503, 78967), (2723, 14587), (3521, 11281)]