81343262

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 64

約数和(自身を含む): 167989248

約数和(自身を除く): 86645986

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 41, 77, 82, 91, 143, 154, 182, 286, 287, 451, 533, 574, 902, 991, 1001, 1066, 1982, 2002, 3157, 3731, 5863, 6314, 6937, 7462, 10901, 11726, 12883, 13874, 21802, 25766, 40631, 41041, 76307, 81262, 82082, 90181, 141713, 152614, 180362, 283426, 284417, 446941, 528203, 568834, 893882, 991991, 1056406, 1983982, 3128587, 3697421, 5810233, 6257174, 7394842, 11620466, 40671631, 81343262]

約数ペア:

[(1, 81343262), (2, 40671631), (7, 11620466), (11, 7394842), (13, 6257174), (14, 5810233), (22, 3697421), (26, 3128587), (41, 1983982), (77, 1056406), (82, 991991), (91, 893882), (143, 568834), (154, 528203), (182, 446941), (286, 284417), (287, 283426), (451, 180362), (533, 152614), (574, 141713), (902, 90181), (991, 82082), (1001, 81262), (1066, 76307), (1982, 41041), (2002, 40631), (3157, 25766), (3731, 21802), (5863, 13874), (6314, 12883), (6937, 11726), (7462, 10901)]