28257768

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1699}}^1$

素因数の和:1732

約数の個数: 128

約数和(自身を含む): 97920000

約数和(自身を除く): 69662232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 27, 28, 33, 36, 42, 44, 54, 56, 63, 66, 72, 77, 84, 88, 99, 108, 126, 132, 154, 168, 189, 198, 216, 231, 252, 264, 297, 308, 378, 396, 462, 504, 594, 616, 693, 756, 792, 924, 1188, 1386, 1512, 1699, 1848, 2079, 2376, 2772, 3398, 4158, 5097, 5544, 6796, 8316, 10194, 11893, 13592, 15291, 16632, 18689, 20388, 23786, 30582, 35679, 37378, 40776, 45873, 47572, 56067, 61164, 71358, 74756, 91746, 95144, 107037, 112134, 122328, 130823, 142716, 149512, 168201, 183492, 214074, 224268, 261646, 285432, 321111, 336402, 366984, 392469, 428148, 448536, 504603, 523292, 642222, 672804, 784938, 856296, 1009206, 1046584, 1177407, 1284444, 1345608, 1569876, 2018412, 2354814, 2568888, 3139752, 3532221, 4036824, 4709628, 7064442, 9419256, 14128884, 28257768]

約数ペア:

[(1, 28257768), (2, 14128884), (3, 9419256), (4, 7064442), (6, 4709628), (7, 4036824), (8, 3532221), (9, 3139752), (11, 2568888), (12, 2354814), (14, 2018412), (18, 1569876), (21, 1345608), (22, 1284444), (24, 1177407), (27, 1046584), (28, 1009206), (33, 856296), (36, 784938), (42, 672804), (44, 642222), (54, 523292), (56, 504603), (63, 448536), (66, 428148), (72, 392469), (77, 366984), (84, 336402), (88, 321111), (99, 285432), (108, 261646), (126, 224268), (132, 214074), (154, 183492), (168, 168201), (189, 149512), (198, 142716), (216, 130823), (231, 122328), (252, 112134), (264, 107037), (297, 95144), (308, 91746), (378, 74756), (396, 71358), (462, 61164), (504, 56067), (594, 47572), (616, 45873), (693, 40776), (756, 37378), (792, 35679), (924, 30582), (1188, 23786), (1386, 20388), (1512, 18689), (1699, 16632), (1848, 15291), (2079, 13592), (2376, 11893), (2772, 10194), (3398, 8316), (4158, 6796), (5097, 5544)]