123207856

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:386

約数の個数: 60

約数和(自身を含む): 255967992

約数和(自身を除く): 132760136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 83, 152, 166, 257, 304, 332, 361, 514, 664, 722, 1028, 1328, 1444, 1577, 2056, 2888, 3154, 4112, 4883, 5776, 6308, 9766, 12616, 19532, 21331, 25232, 29963, 39064, 42662, 59926, 78128, 85324, 92777, 119852, 170648, 185554, 239704, 341296, 371108, 405289, 479408, 742216, 810578, 1484432, 1621156, 3242312, 6484624, 7700491, 15400982, 30801964, 61603928, 123207856]

約数ペア:

[(1, 123207856), (2, 61603928), (4, 30801964), (8, 15400982), (16, 7700491), (19, 6484624), (38, 3242312), (76, 1621156), (83, 1484432), (152, 810578), (166, 742216), (257, 479408), (304, 405289), (332, 371108), (361, 341296), (514, 239704), (664, 185554), (722, 170648), (1028, 119852), (1328, 92777), (1444, 85324), (1577, 78128), (2056, 59926), (2888, 42662), (3154, 39064), (4112, 29963), (4883, 25232), (5776, 21331), (6308, 19532), (9766, 12616)]