39907378

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{4447}}^1$

素因数の和:5097

約数の個数: 16

約数和(自身を含む): 68534784

約数和(自身を除く): 28627406

約数列:

[1, 2, 7, 14, 641, 1282, 4447, 4487, 8894, 8974, 31129, 62258, 2850527, 5701054, 19953689, 39907378]

約数ペア:

[(1, 39907378), (2, 19953689), (7, 5701054), (14, 2850527), (641, 62258), (1282, 31129), (4447, 8974), (4487, 8894)]