28280868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:393

約数の個数: 96

約数和(自身を含む): 83263488

約数和(自身を除く): 54982620

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 127, 132, 154, 231, 241, 254, 308, 381, 462, 482, 508, 723, 762, 889, 924, 964, 1397, 1446, 1524, 1687, 1778, 2651, 2667, 2794, 2892, 3374, 3556, 4191, 5061, 5302, 5334, 5588, 6748, 7953, 8382, 9779, 10122, 10604, 10668, 15906, 16764, 18557, 19558, 20244, 29337, 30607, 31812, 37114, 39116, 55671, 58674, 61214, 74228, 91821, 111342, 117348, 122428, 183642, 214249, 222684, 336677, 367284, 428498, 642747, 673354, 856996, 1010031, 1285494, 1346708, 2020062, 2356739, 2570988, 4040124, 4713478, 7070217, 9426956, 14140434, 28280868]

約数ペア:

[(1, 28280868), (2, 14140434), (3, 9426956), (4, 7070217), (6, 4713478), (7, 4040124), (11, 2570988), (12, 2356739), (14, 2020062), (21, 1346708), (22, 1285494), (28, 1010031), (33, 856996), (42, 673354), (44, 642747), (66, 428498), (77, 367284), (84, 336677), (127, 222684), (132, 214249), (154, 183642), (231, 122428), (241, 117348), (254, 111342), (308, 91821), (381, 74228), (462, 61214), (482, 58674), (508, 55671), (723, 39116), (762, 37114), (889, 31812), (924, 30607), (964, 29337), (1397, 20244), (1446, 19558), (1524, 18557), (1687, 16764), (1778, 15906), (2651, 10668), (2667, 10604), (2794, 10122), (2892, 9779), (3374, 8382), (3556, 7953), (4191, 6748), (5061, 5588), (5302, 5334)]