221535792

素因数分解:

$2^4\times 3^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 641833920

約数和(自身を除く): 420298128

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 41, 48, 72, 82, 123, 144, 157, 164, 239, 246, 314, 328, 369, 471, 478, 492, 628, 656, 717, 738, 942, 956, 984, 1256, 1413, 1434, 1476, 1884, 1912, 1968, 2151, 2512, 2826, 2868, 2952, 3768, 3824, 4302, 5652, 5736, 5904, 6437, 7536, 8604, 9799, 11304, 11472, 12874, 17208, 19311, 19598, 22608, 25748, 29397, 34416, 37523, 38622, 39196, 51496, 57933, 58794, 75046, 77244, 78392, 88191, 102992, 112569, 115866, 117588, 150092, 154488, 156784, 176382, 225138, 231732, 235176, 300184, 308976, 337707, 352764, 450276, 463464, 470352, 600368, 675414, 705528, 900552, 926928, 1350828, 1411056, 1538443, 1801104, 2701656, 3076886, 4615329, 5403312, 6153772, 9230658, 12307544, 13845987, 18461316, 24615088, 27691974, 36922632, 55383948, 73845264, 110767896, 221535792]

約数ペア:

[(1, 221535792), (2, 110767896), (3, 73845264), (4, 55383948), (6, 36922632), (8, 27691974), (9, 24615088), (12, 18461316), (16, 13845987), (18, 12307544), (24, 9230658), (36, 6153772), (41, 5403312), (48, 4615329), (72, 3076886), (82, 2701656), (123, 1801104), (144, 1538443), (157, 1411056), (164, 1350828), (239, 926928), (246, 900552), (314, 705528), (328, 675414), (369, 600368), (471, 470352), (478, 463464), (492, 450276), (628, 352764), (656, 337707), (717, 308976), (738, 300184), (942, 235176), (956, 231732), (984, 225138), (1256, 176382), (1413, 156784), (1434, 154488), (1476, 150092), (1884, 117588), (1912, 115866), (1968, 112569), (2151, 102992), (2512, 88191), (2826, 78392), (2868, 77244), (2952, 75046), (3768, 58794), (3824, 57933), (4302, 51496), (5652, 39196), (5736, 38622), (5904, 37523), (6437, 34416), (7536, 29397), (8604, 25748), (9799, 22608), (11304, 19598), (11472, 19311), (12874, 17208)]