39872021

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{3253}}^1$

素因数の和:3380

約数の個数: 16

約数和(自身を含む): 48731904

約数和(自身を除く): 8859883

約数列:

[1, 7, 17, 103, 119, 721, 1751, 3253, 12257, 22771, 55301, 335059, 387107, 2345413, 5696003, 39872021]

約数ペア:

[(1, 39872021), (7, 5696003), (17, 2345413), (103, 387107), (119, 335059), (721, 55301), (1751, 22771), (3253, 12257)]