28130058

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 74649600

約数和(自身を除く): 46519542

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 29, 33, 46, 54, 58, 66, 69, 71, 87, 99, 138, 142, 174, 198, 207, 213, 253, 261, 297, 319, 414, 426, 506, 522, 594, 621, 638, 639, 667, 759, 781, 783, 957, 1242, 1278, 1334, 1518, 1562, 1566, 1633, 1914, 1917, 2001, 2059, 2277, 2343, 2871, 3266, 3834, 4002, 4118, 4554, 4686, 4899, 5742, 6003, 6177, 6831, 7029, 7337, 8613, 9798, 12006, 12354, 13662, 14058, 14674, 14697, 17226, 17963, 18009, 18531, 21087, 22011, 22649, 29394, 35926, 36018, 37062, 42174, 44022, 44091, 45298, 47357, 53889, 55593, 66033, 67947, 88182, 94714, 107778, 111186, 132066, 135894, 142071, 161667, 198099, 203841, 284142, 323334, 396198, 407682, 426213, 485001, 520927, 611523, 852426, 970002, 1041854, 1223046, 1278639, 1562781, 2557278, 3125562, 4688343, 9376686, 14065029, 28130058]

約数ペア:

[(1, 28130058), (2, 14065029), (3, 9376686), (6, 4688343), (9, 3125562), (11, 2557278), (18, 1562781), (22, 1278639), (23, 1223046), (27, 1041854), (29, 970002), (33, 852426), (46, 611523), (54, 520927), (58, 485001), (66, 426213), (69, 407682), (71, 396198), (87, 323334), (99, 284142), (138, 203841), (142, 198099), (174, 161667), (198, 142071), (207, 135894), (213, 132066), (253, 111186), (261, 107778), (297, 94714), (319, 88182), (414, 67947), (426, 66033), (506, 55593), (522, 53889), (594, 47357), (621, 45298), (638, 44091), (639, 44022), (667, 42174), (759, 37062), (781, 36018), (783, 35926), (957, 29394), (1242, 22649), (1278, 22011), (1334, 21087), (1518, 18531), (1562, 18009), (1566, 17963), (1633, 17226), (1914, 14697), (1917, 14674), (2001, 14058), (2059, 13662), (2277, 12354), (2343, 12006), (2871, 9798), (3266, 8613), (3834, 7337), (4002, 7029), (4118, 6831), (4554, 6177), (4686, 6003), (4899, 5742)]