81495568

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2281}}^1$

素因数の和:2336

約数の個数: 80

約数和(自身を含む): 203736960

約数和(自身を除く): 122241392

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 29, 44, 56, 58, 77, 88, 112, 116, 154, 176, 203, 232, 308, 319, 406, 464, 616, 638, 812, 1232, 1276, 1624, 2233, 2281, 2552, 3248, 4466, 4562, 5104, 8932, 9124, 15967, 17864, 18248, 25091, 31934, 35728, 36496, 50182, 63868, 66149, 100364, 127736, 132298, 175637, 200728, 255472, 264596, 351274, 401456, 463043, 529192, 702548, 727639, 926086, 1058384, 1405096, 1455278, 1852172, 2810192, 2910556, 3704344, 5093473, 5821112, 7408688, 10186946, 11642224, 20373892, 40747784, 81495568]

約数ペア:

[(1, 81495568), (2, 40747784), (4, 20373892), (7, 11642224), (8, 10186946), (11, 7408688), (14, 5821112), (16, 5093473), (22, 3704344), (28, 2910556), (29, 2810192), (44, 1852172), (56, 1455278), (58, 1405096), (77, 1058384), (88, 926086), (112, 727639), (116, 702548), (154, 529192), (176, 463043), (203, 401456), (232, 351274), (308, 264596), (319, 255472), (406, 200728), (464, 175637), (616, 132298), (638, 127736), (812, 100364), (1232, 66149), (1276, 63868), (1624, 50182), (2233, 36496), (2281, 35728), (2552, 31934), (3248, 25091), (4466, 18248), (4562, 17864), (5104, 15967), (8932, 9124)]