28690288

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 37305488

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 43, 44, 68, 86, 88, 136, 172, 176, 187, 223, 272, 344, 374, 446, 473, 688, 731, 748, 892, 946, 1462, 1496, 1784, 1892, 2453, 2924, 2992, 3568, 3784, 3791, 4906, 5848, 7568, 7582, 8041, 9589, 9812, 11696, 15164, 16082, 19178, 19624, 30328, 32164, 38356, 39248, 41701, 60656, 64328, 76712, 83402, 105479, 128656, 153424, 163013, 166804, 210958, 326026, 333608, 421916, 652052, 667216, 843832, 1304104, 1687664, 1793143, 2608208, 3586286, 7172572, 14345144, 28690288]

約数ペア:

[(1, 28690288), (2, 14345144), (4, 7172572), (8, 3586286), (11, 2608208), (16, 1793143), (17, 1687664), (22, 1304104), (34, 843832), (43, 667216), (44, 652052), (68, 421916), (86, 333608), (88, 326026), (136, 210958), (172, 166804), (176, 163013), (187, 153424), (223, 128656), (272, 105479), (344, 83402), (374, 76712), (446, 64328), (473, 60656), (688, 41701), (731, 39248), (748, 38356), (892, 32164), (946, 30328), (1462, 19624), (1496, 19178), (1784, 16082), (1892, 15164), (2453, 11696), (2924, 9812), (2992, 9589), (3568, 8041), (3784, 7582), (3791, 7568), (4906, 5848)]