28318056

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 85276800

約数和(自身を除く): 56958744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 204, 221, 228, 247, 281, 312, 323, 408, 442, 456, 494, 562, 646, 663, 741, 843, 884, 969, 988, 1124, 1292, 1326, 1482, 1686, 1768, 1938, 1976, 2248, 2584, 2652, 2964, 3372, 3653, 3876, 4199, 4777, 5304, 5339, 5928, 6744, 7306, 7752, 8398, 9554, 10678, 10959, 12597, 14331, 14612, 16017, 16796, 19108, 21356, 21918, 25194, 28662, 29224, 32034, 33592, 38216, 42712, 43836, 50388, 57324, 62101, 64068, 69407, 87672, 90763, 100776, 114648, 124202, 128136, 138814, 181526, 186303, 208221, 248404, 272289, 277628, 363052, 372606, 416442, 496808, 544578, 555256, 726104, 745212, 832884, 1089156, 1179919, 1490424, 1665768, 2178312, 2359838, 3539757, 4719676, 7079514, 9439352, 14159028, 28318056]

約数ペア:

[(1, 28318056), (2, 14159028), (3, 9439352), (4, 7079514), (6, 4719676), (8, 3539757), (12, 2359838), (13, 2178312), (17, 1665768), (19, 1490424), (24, 1179919), (26, 1089156), (34, 832884), (38, 745212), (39, 726104), (51, 555256), (52, 544578), (57, 496808), (68, 416442), (76, 372606), (78, 363052), (102, 277628), (104, 272289), (114, 248404), (136, 208221), (152, 186303), (156, 181526), (204, 138814), (221, 128136), (228, 124202), (247, 114648), (281, 100776), (312, 90763), (323, 87672), (408, 69407), (442, 64068), (456, 62101), (494, 57324), (562, 50388), (646, 43836), (663, 42712), (741, 38216), (843, 33592), (884, 32034), (969, 29224), (988, 28662), (1124, 25194), (1292, 21918), (1326, 21356), (1482, 19108), (1686, 16796), (1768, 16017), (1938, 14612), (1976, 14331), (2248, 12597), (2584, 10959), (2652, 10678), (2964, 9554), (3372, 8398), (3653, 7752), (3876, 7306), (4199, 6744), (4777, 5928), (5304, 5339)]