80578628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1747}}^1$

素因数の和:2651

約数の個数: 24

約数和(自身を含む): 152117952

約数和(自身を除く): 71539324

約数列:

[1, 2, 4, 13, 26, 52, 887, 1747, 1774, 3494, 3548, 6988, 11531, 22711, 23062, 45422, 46124, 90844, 1549589, 3099178, 6198356, 20144657, 40289314, 80578628]

約数ペア:

[(1, 80578628), (2, 40289314), (4, 20144657), (13, 6198356), (26, 3099178), (52, 1549589), (887, 90844), (1747, 46124), (1774, 45422), (3494, 23062), (3548, 22711), (6988, 11531)]