865020961

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 1152000000

約数和(自身を除く): 286979039

約数列:

[1, 7, 19, 23, 29, 49, 133, 161, 199, 203, 343, 437, 551, 667, 931, 1127, 1393, 1421, 3059, 3781, 3857, 4577, 4669, 5771, 6517, 7889, 9751, 9947, 12673, 21413, 26467, 26999, 32039, 32683, 40397, 68257, 86963, 88711, 109649, 132733, 149891, 185269, 188993, 224273, 228781, 282779, 608741, 620977, 767543, 929131, 1296883, 1569911, 1979453, 2521927, 4261187, 4346839, 5372801, 6503917, 17653489, 29828309, 37609607, 45527419, 123574423, 865020961]

約数ペア:

[(1, 865020961), (7, 123574423), (19, 45527419), (23, 37609607), (29, 29828309), (49, 17653489), (133, 6503917), (161, 5372801), (199, 4346839), (203, 4261187), (343, 2521927), (437, 1979453), (551, 1569911), (667, 1296883), (931, 929131), (1127, 767543), (1393, 620977), (1421, 608741), (3059, 282779), (3781, 228781), (3857, 224273), (4577, 188993), (4669, 185269), (5771, 149891), (6517, 132733), (7889, 109649), (9751, 88711), (9947, 86963), (12673, 68257), (21413, 40397), (26467, 32683), (26999, 32039)]