81640358

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{22441}}^1$

素因数の和:22567

約数の個数: 16

約数和(自身を含む): 130881744

約数和(自身を除く): 49241386

約数列:

[1, 2, 17, 34, 107, 214, 1819, 3638, 22441, 44882, 381497, 762994, 2401187, 4802374, 40820179, 81640358]

約数ペア:

[(1, 81640358), (2, 40820179), (17, 4802374), (34, 2401187), (107, 762994), (214, 381497), (1819, 44882), (3638, 22441)]