28947828

素因数分解:

$2^2\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{541}}^1$

素因数の和:582

約数の個数: 96

約数和(自身を含む): 84985600

約数和(自身を除く): 56037772

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 343, 364, 541, 546, 588, 637, 686, 1029, 1082, 1092, 1274, 1372, 1623, 1911, 2058, 2164, 2548, 3246, 3787, 3822, 4116, 4459, 6492, 7033, 7574, 7644, 8918, 11361, 13377, 14066, 15148, 17836, 21099, 22722, 26509, 26754, 28132, 42198, 45444, 49231, 53018, 53508, 79527, 84396, 98462, 106036, 147693, 159054, 185563, 196924, 295386, 318108, 344617, 371126, 556689, 590772, 689234, 742252, 1033851, 1113378, 1378468, 2067702, 2226756, 2412319, 4135404, 4824638, 7236957, 9649276, 14473914, 28947828]

約数ペア:

[(1, 28947828), (2, 14473914), (3, 9649276), (4, 7236957), (6, 4824638), (7, 4135404), (12, 2412319), (13, 2226756), (14, 2067702), (21, 1378468), (26, 1113378), (28, 1033851), (39, 742252), (42, 689234), (49, 590772), (52, 556689), (78, 371126), (84, 344617), (91, 318108), (98, 295386), (147, 196924), (156, 185563), (182, 159054), (196, 147693), (273, 106036), (294, 98462), (343, 84396), (364, 79527), (541, 53508), (546, 53018), (588, 49231), (637, 45444), (686, 42198), (1029, 28132), (1082, 26754), (1092, 26509), (1274, 22722), (1372, 21099), (1623, 17836), (1911, 15148), (2058, 14066), (2164, 13377), (2548, 11361), (3246, 8918), (3787, 7644), (3822, 7574), (4116, 7033), (4459, 6492)]