81751376

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{937}}^1$

素因数の和:1012

約数の個数: 80

約数和(自身を含む): 195404160

約数和(自身を除く): 113652784

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 41, 56, 76, 82, 112, 133, 152, 164, 266, 287, 304, 328, 532, 574, 656, 779, 937, 1064, 1148, 1558, 1874, 2128, 2296, 3116, 3748, 4592, 5453, 6232, 6559, 7496, 10906, 12464, 13118, 14992, 17803, 21812, 26236, 35606, 38417, 43624, 52472, 71212, 76834, 87248, 104944, 124621, 142424, 153668, 249242, 268919, 284848, 307336, 498484, 537838, 614672, 729923, 996968, 1075676, 1459846, 1993936, 2151352, 2919692, 4302704, 5109461, 5839384, 10218922, 11678768, 20437844, 40875688, 81751376]

約数ペア:

[(1, 81751376), (2, 40875688), (4, 20437844), (7, 11678768), (8, 10218922), (14, 5839384), (16, 5109461), (19, 4302704), (28, 2919692), (38, 2151352), (41, 1993936), (56, 1459846), (76, 1075676), (82, 996968), (112, 729923), (133, 614672), (152, 537838), (164, 498484), (266, 307336), (287, 284848), (304, 268919), (328, 249242), (532, 153668), (574, 142424), (656, 124621), (779, 104944), (937, 87248), (1064, 76834), (1148, 71212), (1558, 52472), (1874, 43624), (2128, 38417), (2296, 35606), (3116, 26236), (3748, 21812), (4592, 17803), (5453, 14992), (6232, 13118), (6559, 12464), (7496, 10906)]