39947518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{90379}}^1$

素因数の和:90411

約数の個数: 16

約数和(自身を含む): 68327280

約数和(自身を除く): 28379762

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 90379, 180758, 1174927, 1536443, 2349854, 3072886, 19973759, 39947518]

約数ペア:

[(1, 39947518), (2, 19973759), (13, 3072886), (17, 2349854), (26, 1536443), (34, 1174927), (221, 180758), (442, 90379)]