28715568

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:475

約数の個数: 120

約数和(自身を含む): 89480880

約数和(自身を除く): 60765312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 42, 48, 49, 56, 58, 84, 87, 98, 112, 116, 147, 168, 174, 196, 203, 232, 294, 336, 348, 392, 406, 421, 464, 588, 609, 696, 784, 812, 842, 1176, 1218, 1263, 1392, 1421, 1624, 1684, 2352, 2436, 2526, 2842, 2947, 3248, 3368, 4263, 4872, 5052, 5684, 5894, 6736, 8526, 8841, 9744, 10104, 11368, 11788, 12209, 17052, 17682, 20208, 20629, 22736, 23576, 24418, 34104, 35364, 36627, 41258, 47152, 48836, 61887, 68208, 70728, 73254, 82516, 85463, 97672, 123774, 141456, 146508, 165032, 170926, 195344, 247548, 256389, 293016, 330064, 341852, 495096, 512778, 586032, 598241, 683704, 990192, 1025556, 1196482, 1367408, 1794723, 2051112, 2392964, 3589446, 4102224, 4785928, 7178892, 9571856, 14357784, 28715568]

約数ペア:

[(1, 28715568), (2, 14357784), (3, 9571856), (4, 7178892), (6, 4785928), (7, 4102224), (8, 3589446), (12, 2392964), (14, 2051112), (16, 1794723), (21, 1367408), (24, 1196482), (28, 1025556), (29, 990192), (42, 683704), (48, 598241), (49, 586032), (56, 512778), (58, 495096), (84, 341852), (87, 330064), (98, 293016), (112, 256389), (116, 247548), (147, 195344), (168, 170926), (174, 165032), (196, 146508), (203, 141456), (232, 123774), (294, 97672), (336, 85463), (348, 82516), (392, 73254), (406, 70728), (421, 68208), (464, 61887), (588, 48836), (609, 47152), (696, 41258), (784, 36627), (812, 35364), (842, 34104), (1176, 24418), (1218, 23576), (1263, 22736), (1392, 20629), (1421, 20208), (1624, 17682), (1684, 17052), (2352, 12209), (2436, 11788), (2526, 11368), (2842, 10104), (2947, 9744), (3248, 8841), (3368, 8526), (4263, 6736), (4872, 5894), (5052, 5684)]