81089974

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{199729}}^1$

素因数の和:199767

約数の個数: 16

約数和(自身を含む): 143805600

約数和(自身を除く): 62715626

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 199729, 399458, 1398103, 2796206, 5792141, 11584282, 40544987, 81089974]

約数ペア:

[(1, 81089974), (2, 40544987), (7, 11584282), (14, 5792141), (29, 2796206), (58, 1398103), (203, 399458), (406, 199729)]