81967336

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 180064710

約数和(自身を除く): 98097374

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 289, 293, 374, 484, 578, 586, 748, 968, 1156, 1172, 1496, 2057, 2312, 2344, 3179, 3223, 4114, 4981, 6358, 6446, 8228, 9962, 12716, 12892, 16456, 19924, 25432, 25784, 34969, 35453, 39848, 54791, 69938, 70906, 84677, 109582, 139876, 141812, 169354, 219164, 279752, 283624, 338708, 438328, 602701, 677416, 931447, 1205402, 1862894, 2410804, 3725788, 4821608, 7451576, 10245917, 20491834, 40983668, 81967336]

約数ペア:

[(1, 81967336), (2, 40983668), (4, 20491834), (8, 10245917), (11, 7451576), (17, 4821608), (22, 3725788), (34, 2410804), (44, 1862894), (68, 1205402), (88, 931447), (121, 677416), (136, 602701), (187, 438328), (242, 338708), (289, 283624), (293, 279752), (374, 219164), (484, 169354), (578, 141812), (586, 139876), (748, 109582), (968, 84677), (1156, 70906), (1172, 69938), (1496, 54791), (2057, 39848), (2312, 35453), (2344, 34969), (3179, 25784), (3223, 25432), (4114, 19924), (4981, 16456), (6358, 12892), (6446, 12716), (8228, 9962)]