681519712

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{7753}}^1$

素因数の和:7871

約数の個数: 48

約数和(自身を含む): 1395161712

約数和(自身を除く): 713642000

約数列:

[1, 2, 4, 8, 16, 32, 41, 67, 82, 134, 164, 268, 328, 536, 656, 1072, 1312, 2144, 2747, 5494, 7753, 10988, 15506, 21976, 31012, 43952, 62024, 87904, 124048, 248096, 317873, 519451, 635746, 1038902, 1271492, 2077804, 2542984, 4155608, 5085968, 8311216, 10171936, 16622432, 21297491, 42594982, 85189964, 170379928, 340759856, 681519712]

約数ペア:

[(1, 681519712), (2, 340759856), (4, 170379928), (8, 85189964), (16, 42594982), (32, 21297491), (41, 16622432), (67, 10171936), (82, 8311216), (134, 5085968), (164, 4155608), (268, 2542984), (328, 2077804), (536, 1271492), (656, 1038902), (1072, 635746), (1312, 519451), (2144, 317873), (2747, 248096), (5494, 124048), (7753, 87904), (10988, 62024), (15506, 43952), (21976, 31012)]