25321556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2447}}^1$

素因数の和:2663

約数の個数: 24

約数和(自身を含む): 47980800

約数和(自身を除く): 22659244

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2447, 2587, 4894, 5174, 9788, 10348, 31811, 63622, 127244, 486953, 973906, 1947812, 6330389, 12660778, 25321556]

約数ペア:

[(1, 25321556), (2, 12660778), (4, 6330389), (13, 1947812), (26, 973906), (52, 486953), (199, 127244), (398, 63622), (796, 31811), (2447, 10348), (2587, 9788), (4894, 5174)]