81567798

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2393}}^1$

素因数の和:2453

約数の個数: 64

約数和(自身を含む): 193052160

約数和(自身を除く): 111484362

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 598, 741, 874, 897, 1311, 1482, 1794, 2393, 2622, 4786, 5681, 7179, 11362, 14358, 17043, 31109, 34086, 45467, 55039, 62218, 90934, 93327, 110078, 136401, 165117, 186654, 272802, 330234, 591071, 715507, 1045741, 1182142, 1431014, 1773213, 2091482, 2146521, 3137223, 3546426, 4293042, 6274446, 13594633, 27189266, 40783899, 81567798]

約数ペア:

[(1, 81567798), (2, 40783899), (3, 27189266), (6, 13594633), (13, 6274446), (19, 4293042), (23, 3546426), (26, 3137223), (38, 2146521), (39, 2091482), (46, 1773213), (57, 1431014), (69, 1182142), (78, 1045741), (114, 715507), (138, 591071), (247, 330234), (299, 272802), (437, 186654), (494, 165117), (598, 136401), (741, 110078), (874, 93327), (897, 90934), (1311, 62218), (1482, 55039), (1794, 45467), (2393, 34086), (2622, 31109), (4786, 17043), (5681, 14358), (7179, 11362)]