81857568

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{613}}^1$

素因数の和:746

約数の個数: 96

約数和(自身を含む): 233948736

約数和(自身を除く): 152091168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 107, 156, 208, 214, 312, 321, 416, 428, 613, 624, 642, 856, 1226, 1248, 1284, 1391, 1712, 1839, 2452, 2568, 2782, 3424, 3678, 4173, 4904, 5136, 5564, 7356, 7969, 8346, 9808, 10272, 11128, 14712, 15938, 16692, 19616, 22256, 23907, 29424, 31876, 33384, 44512, 47814, 58848, 63752, 65591, 66768, 95628, 127504, 131182, 133536, 191256, 196773, 255008, 262364, 382512, 393546, 524728, 765024, 787092, 852683, 1049456, 1574184, 1705366, 2098912, 2558049, 3148368, 3410732, 5116098, 6296736, 6821464, 10232196, 13642928, 20464392, 27285856, 40928784, 81857568]

約数ペア:

[(1, 81857568), (2, 40928784), (3, 27285856), (4, 20464392), (6, 13642928), (8, 10232196), (12, 6821464), (13, 6296736), (16, 5116098), (24, 3410732), (26, 3148368), (32, 2558049), (39, 2098912), (48, 1705366), (52, 1574184), (78, 1049456), (96, 852683), (104, 787092), (107, 765024), (156, 524728), (208, 393546), (214, 382512), (312, 262364), (321, 255008), (416, 196773), (428, 191256), (613, 133536), (624, 131182), (642, 127504), (856, 95628), (1226, 66768), (1248, 65591), (1284, 63752), (1391, 58848), (1712, 47814), (1839, 44512), (2452, 33384), (2568, 31876), (2782, 29424), (3424, 23907), (3678, 22256), (4173, 19616), (4904, 16692), (5136, 15938), (5564, 14712), (7356, 11128), (7969, 10272), (8346, 9808)]