208814672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:828

約数の個数: 80

約数和(自身を含む): 472630464

約数和(自身を除く): 263815792

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 101, 136, 176, 187, 202, 272, 374, 404, 691, 748, 808, 1111, 1382, 1496, 1616, 1717, 2222, 2764, 2992, 3434, 4444, 5528, 6868, 7601, 8888, 11056, 11747, 13736, 15202, 17776, 18887, 23494, 27472, 30404, 37774, 46988, 60808, 69791, 75548, 93976, 121616, 129217, 139582, 151096, 187952, 258434, 279164, 302192, 516868, 558328, 767701, 1033736, 1116656, 1186447, 1535402, 2067472, 2372894, 3070804, 4745788, 6141608, 9491576, 12283216, 13050917, 18983152, 26101834, 52203668, 104407336, 208814672]

約数ペア:

[(1, 208814672), (2, 104407336), (4, 52203668), (8, 26101834), (11, 18983152), (16, 13050917), (17, 12283216), (22, 9491576), (34, 6141608), (44, 4745788), (68, 3070804), (88, 2372894), (101, 2067472), (136, 1535402), (176, 1186447), (187, 1116656), (202, 1033736), (272, 767701), (374, 558328), (404, 516868), (691, 302192), (748, 279164), (808, 258434), (1111, 187952), (1382, 151096), (1496, 139582), (1616, 129217), (1717, 121616), (2222, 93976), (2764, 75548), (2992, 69791), (3434, 60808), (4444, 46988), (5528, 37774), (6868, 30404), (7601, 27472), (8888, 23494), (11056, 18887), (11747, 17776), (13736, 15202)]