39905285

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{18691}}^1$

素因数の和:18764

約数の個数: 16

約数和(自身を含む): 55627392

約数和(自身を除く): 15722107

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 18691, 93455, 130837, 654185, 1140151, 5700755, 7981057, 39905285]

約数ペア:

[(1, 39905285), (5, 7981057), (7, 5700755), (35, 1140151), (61, 654185), (305, 130837), (427, 93455), (2135, 18691)]