31242978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 77575680

約数和(自身を除く): 46332702

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 31, 39, 59, 62, 73, 78, 93, 117, 118, 146, 177, 186, 219, 234, 279, 354, 403, 438, 531, 558, 657, 767, 806, 949, 1062, 1209, 1314, 1534, 1829, 1898, 2263, 2301, 2418, 2847, 3627, 3658, 4307, 4526, 4602, 5487, 5694, 6789, 6903, 7254, 8541, 8614, 10974, 12921, 13578, 13806, 16461, 17082, 20367, 23777, 25842, 29419, 32922, 38763, 40734, 47554, 55991, 58838, 71331, 77526, 88257, 111982, 133517, 142662, 167973, 176514, 213993, 264771, 267034, 335946, 400551, 427986, 503919, 529542, 801102, 1007838, 1201653, 1735721, 2403306, 3471442, 5207163, 10414326, 15621489, 31242978]

約数ペア:

[(1, 31242978), (2, 15621489), (3, 10414326), (6, 5207163), (9, 3471442), (13, 2403306), (18, 1735721), (26, 1201653), (31, 1007838), (39, 801102), (59, 529542), (62, 503919), (73, 427986), (78, 400551), (93, 335946), (117, 267034), (118, 264771), (146, 213993), (177, 176514), (186, 167973), (219, 142662), (234, 133517), (279, 111982), (354, 88257), (403, 77526), (438, 71331), (531, 58838), (558, 55991), (657, 47554), (767, 40734), (806, 38763), (949, 32922), (1062, 29419), (1209, 25842), (1314, 23777), (1534, 20367), (1829, 17082), (1898, 16461), (2263, 13806), (2301, 13578), (2418, 12921), (2847, 10974), (3627, 8614), (3658, 8541), (4307, 7254), (4526, 6903), (4602, 6789), (5487, 5694)]