205656616

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 128

約数和(自身を含む): 479001600

約数和(自身を除く): 273344984

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 34, 43, 44, 46, 68, 86, 88, 92, 136, 139, 172, 184, 187, 253, 278, 344, 374, 391, 473, 506, 556, 731, 748, 782, 946, 989, 1012, 1112, 1462, 1496, 1529, 1564, 1892, 1978, 2024, 2363, 2924, 3058, 3128, 3197, 3784, 3956, 4301, 4726, 5848, 5977, 6116, 6394, 7912, 8041, 8602, 9452, 10879, 11954, 12232, 12788, 16082, 16813, 17204, 18904, 21758, 23908, 25576, 25993, 32164, 33626, 34408, 35167, 43516, 47816, 51986, 54349, 64328, 65747, 67252, 70334, 87032, 101609, 103972, 108698, 131494, 134504, 137471, 140668, 184943, 203218, 207944, 217396, 262988, 274942, 281336, 369886, 406436, 434792, 525976, 549884, 597839, 739772, 812872, 1099768, 1117699, 1195678, 1479544, 1512181, 2235398, 2337007, 2391356, 3024362, 4470796, 4674014, 4782712, 6048724, 8941592, 9348028, 12097448, 18696056, 25707077, 51414154, 102828308, 205656616]

約数ペア:

[(1, 205656616), (2, 102828308), (4, 51414154), (8, 25707077), (11, 18696056), (17, 12097448), (22, 9348028), (23, 8941592), (34, 6048724), (43, 4782712), (44, 4674014), (46, 4470796), (68, 3024362), (86, 2391356), (88, 2337007), (92, 2235398), (136, 1512181), (139, 1479544), (172, 1195678), (184, 1117699), (187, 1099768), (253, 812872), (278, 739772), (344, 597839), (374, 549884), (391, 525976), (473, 434792), (506, 406436), (556, 369886), (731, 281336), (748, 274942), (782, 262988), (946, 217396), (989, 207944), (1012, 203218), (1112, 184943), (1462, 140668), (1496, 137471), (1529, 134504), (1564, 131494), (1892, 108698), (1978, 103972), (2024, 101609), (2363, 87032), (2924, 70334), (3058, 67252), (3128, 65747), (3197, 64328), (3784, 54349), (3956, 51986), (4301, 47816), (4726, 43516), (5848, 35167), (5977, 34408), (6116, 33626), (6394, 32164), (7912, 25993), (8041, 25576), (8602, 23908), (9452, 21758), (10879, 18904), (11954, 17204), (12232, 16813), (12788, 16082)]