8145956

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 18768960

約数和(自身を除く): 10623004

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 46, 49, 52, 91, 92, 98, 139, 161, 182, 196, 278, 299, 322, 364, 556, 598, 637, 644, 973, 1127, 1196, 1274, 1807, 1946, 2093, 2254, 2548, 3197, 3614, 3892, 4186, 4508, 6394, 6811, 7228, 8372, 12649, 12788, 13622, 14651, 22379, 25298, 27244, 29302, 41561, 44758, 50596, 58604, 83122, 88543, 89516, 156653, 166244, 177086, 290927, 313306, 354172, 581854, 626612, 1163708, 2036489, 4072978, 8145956]

約数ペア:

[(1, 8145956), (2, 4072978), (4, 2036489), (7, 1163708), (13, 626612), (14, 581854), (23, 354172), (26, 313306), (28, 290927), (46, 177086), (49, 166244), (52, 156653), (91, 89516), (92, 88543), (98, 83122), (139, 58604), (161, 50596), (182, 44758), (196, 41561), (278, 29302), (299, 27244), (322, 25298), (364, 22379), (556, 14651), (598, 13622), (637, 12788), (644, 12649), (973, 8372), (1127, 7228), (1196, 6811), (1274, 6394), (1807, 4508), (1946, 4186), (2093, 3892), (2254, 3614), (2548, 3197)]