204901816

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 492687360

約数和(自身を除く): 287785544

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 53, 56, 62, 68, 106, 119, 124, 131, 136, 212, 217, 238, 248, 262, 371, 424, 434, 476, 524, 527, 742, 868, 901, 917, 952, 1048, 1054, 1484, 1643, 1736, 1802, 1834, 2108, 2227, 2968, 3286, 3604, 3668, 3689, 4061, 4216, 4454, 6307, 6572, 6943, 7208, 7336, 7378, 8122, 8908, 11501, 12614, 13144, 13886, 14756, 15589, 16244, 17816, 23002, 25228, 27772, 27931, 28427, 29512, 31178, 32488, 46004, 48601, 50456, 55544, 55862, 56854, 62356, 69037, 92008, 97202, 111724, 113708, 118031, 124712, 138074, 194404, 195517, 215233, 223448, 227416, 236062, 276148, 388808, 391034, 430466, 472124, 483259, 552296, 782068, 826217, 860932, 944248, 966518, 1506631, 1564136, 1652434, 1721864, 1933036, 3013262, 3304868, 3658961, 3866072, 6026524, 6609736, 7317922, 12053048, 14635844, 25612727, 29271688, 51225454, 102450908, 204901816]

約数ペア:

[(1, 204901816), (2, 102450908), (4, 51225454), (7, 29271688), (8, 25612727), (14, 14635844), (17, 12053048), (28, 7317922), (31, 6609736), (34, 6026524), (53, 3866072), (56, 3658961), (62, 3304868), (68, 3013262), (106, 1933036), (119, 1721864), (124, 1652434), (131, 1564136), (136, 1506631), (212, 966518), (217, 944248), (238, 860932), (248, 826217), (262, 782068), (371, 552296), (424, 483259), (434, 472124), (476, 430466), (524, 391034), (527, 388808), (742, 276148), (868, 236062), (901, 227416), (917, 223448), (952, 215233), (1048, 195517), (1054, 194404), (1484, 138074), (1643, 124712), (1736, 118031), (1802, 113708), (1834, 111724), (2108, 97202), (2227, 92008), (2968, 69037), (3286, 62356), (3604, 56854), (3668, 55862), (3689, 55544), (4061, 50456), (4216, 48601), (4454, 46004), (6307, 32488), (6572, 31178), (6943, 29512), (7208, 28427), (7336, 27931), (7378, 27772), (8122, 25228), (8908, 23002), (11501, 17816), (12614, 16244), (13144, 15589), (13886, 14756)]