255961112

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 595330560

約数和(自身を除く): 339369448

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 34, 43, 44, 46, 68, 86, 88, 92, 136, 172, 173, 184, 187, 253, 344, 346, 374, 391, 473, 506, 692, 731, 748, 782, 946, 989, 1012, 1384, 1462, 1496, 1564, 1892, 1903, 1978, 2024, 2924, 2941, 3128, 3784, 3806, 3956, 3979, 4301, 5848, 5882, 7439, 7612, 7912, 7958, 8041, 8602, 10879, 11764, 14878, 15224, 15916, 16082, 16813, 17204, 21758, 23528, 29756, 31832, 32164, 32351, 33626, 34408, 43516, 43769, 59512, 64328, 64702, 67252, 67643, 81829, 87032, 87538, 126463, 129404, 134504, 135286, 163658, 171097, 175076, 184943, 252926, 258808, 270572, 327316, 342194, 350152, 369886, 505852, 541144, 654632, 684388, 739772, 744073, 1011704, 1368776, 1391093, 1479544, 1488146, 1882067, 2782186, 2908649, 2976292, 3764134, 5564372, 5817298, 5952584, 7528268, 11128744, 11634596, 15056536, 23269192, 31995139, 63990278, 127980556, 255961112]

約数ペア:

[(1, 255961112), (2, 127980556), (4, 63990278), (8, 31995139), (11, 23269192), (17, 15056536), (22, 11634596), (23, 11128744), (34, 7528268), (43, 5952584), (44, 5817298), (46, 5564372), (68, 3764134), (86, 2976292), (88, 2908649), (92, 2782186), (136, 1882067), (172, 1488146), (173, 1479544), (184, 1391093), (187, 1368776), (253, 1011704), (344, 744073), (346, 739772), (374, 684388), (391, 654632), (473, 541144), (506, 505852), (692, 369886), (731, 350152), (748, 342194), (782, 327316), (946, 270572), (989, 258808), (1012, 252926), (1384, 184943), (1462, 175076), (1496, 171097), (1564, 163658), (1892, 135286), (1903, 134504), (1978, 129404), (2024, 126463), (2924, 87538), (2941, 87032), (3128, 81829), (3784, 67643), (3806, 67252), (3956, 64702), (3979, 64328), (4301, 59512), (5848, 43769), (5882, 43516), (7439, 34408), (7612, 33626), (7912, 32351), (7958, 32164), (8041, 31832), (8602, 29756), (10879, 23528), (11764, 21758), (14878, 17204), (15224, 16813), (15916, 16082)]