87820018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 163481472

約数和(自身を除く): 75661454

約数列:

[1, 2, 11, 13, 22, 26, 37, 43, 74, 86, 143, 193, 286, 386, 407, 473, 481, 559, 814, 946, 962, 1118, 1591, 2123, 2509, 3182, 4246, 5018, 5291, 6149, 7141, 8299, 10582, 12298, 14282, 16598, 17501, 20683, 27599, 35002, 41366, 55198, 78551, 91289, 92833, 107887, 157102, 182578, 185666, 215774, 227513, 307063, 455026, 614126, 1021163, 1186757, 2042326, 2373514, 3377693, 3991819, 6755386, 7983638, 43910009, 87820018]

約数ペア:

[(1, 87820018), (2, 43910009), (11, 7983638), (13, 6755386), (22, 3991819), (26, 3377693), (37, 2373514), (43, 2042326), (74, 1186757), (86, 1021163), (143, 614126), (193, 455026), (286, 307063), (386, 227513), (407, 215774), (473, 185666), (481, 182578), (559, 157102), (814, 107887), (946, 92833), (962, 91289), (1118, 78551), (1591, 55198), (2123, 41366), (2509, 35002), (3182, 27599), (4246, 20683), (5018, 17501), (5291, 16598), (6149, 14282), (7141, 12298), (8299, 10582)]