28203408

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 85916376

約数和(自身を除く): 57712968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 41, 48, 51, 68, 72, 82, 102, 123, 136, 144, 153, 164, 204, 246, 272, 281, 306, 328, 369, 408, 492, 562, 612, 656, 697, 738, 816, 843, 984, 1124, 1224, 1394, 1476, 1686, 1968, 2091, 2248, 2448, 2529, 2788, 2952, 3372, 4182, 4496, 4777, 5058, 5576, 5904, 6273, 6744, 8364, 9554, 10116, 11152, 11521, 12546, 13488, 14331, 16728, 19108, 20232, 23042, 25092, 28662, 33456, 34563, 38216, 40464, 42993, 46084, 50184, 57324, 69126, 76432, 85986, 92168, 100368, 103689, 114648, 138252, 171972, 184336, 195857, 207378, 229296, 276504, 343944, 391714, 414756, 553008, 587571, 687888, 783428, 829512, 1175142, 1566856, 1659024, 1762713, 2350284, 3133712, 3525426, 4700568, 7050852, 9401136, 14101704, 28203408]

約数ペア:

[(1, 28203408), (2, 14101704), (3, 9401136), (4, 7050852), (6, 4700568), (8, 3525426), (9, 3133712), (12, 2350284), (16, 1762713), (17, 1659024), (18, 1566856), (24, 1175142), (34, 829512), (36, 783428), (41, 687888), (48, 587571), (51, 553008), (68, 414756), (72, 391714), (82, 343944), (102, 276504), (123, 229296), (136, 207378), (144, 195857), (153, 184336), (164, 171972), (204, 138252), (246, 114648), (272, 103689), (281, 100368), (306, 92168), (328, 85986), (369, 76432), (408, 69126), (492, 57324), (562, 50184), (612, 46084), (656, 42993), (697, 40464), (738, 38216), (816, 34563), (843, 33456), (984, 28662), (1124, 25092), (1224, 23042), (1394, 20232), (1476, 19108), (1686, 16728), (1968, 14331), (2091, 13488), (2248, 12546), (2448, 11521), (2529, 11152), (2788, 10116), (2952, 9554), (3372, 8364), (4182, 6744), (4496, 6273), (4777, 5904), (5058, 5576)]