208519794

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:605

約数の個数: 144

約数和(自身を含む): 578335680

約数和(自身を除く): 369815886

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 23, 38, 42, 46, 49, 57, 63, 69, 98, 114, 126, 133, 138, 147, 161, 171, 207, 266, 294, 322, 342, 399, 414, 437, 441, 483, 541, 798, 874, 882, 931, 966, 1082, 1127, 1197, 1311, 1449, 1623, 1862, 2254, 2394, 2622, 2793, 2898, 3059, 3246, 3381, 3787, 3933, 4869, 5586, 6118, 6762, 7574, 7866, 8379, 9177, 9738, 10143, 10279, 11361, 12443, 16758, 18354, 20286, 20558, 21413, 22722, 24886, 26509, 27531, 30837, 34083, 37329, 42826, 53018, 55062, 61674, 64239, 68166, 71953, 74658, 79527, 87101, 92511, 111987, 128478, 143906, 159054, 174202, 185022, 192717, 215859, 223974, 236417, 238581, 261303, 385434, 431718, 472834, 477162, 503671, 522606, 609707, 647577, 709251, 783909, 1007342, 1219414, 1295154, 1418502, 1511013, 1567818, 1654919, 1829121, 2127753, 3022026, 3309838, 3658242, 4255506, 4533039, 4964757, 5487363, 9066078, 9929514, 10974726, 11584433, 14894271, 23168866, 29788542, 34753299, 69506598, 104259897, 208519794]

約数ペア:

[(1, 208519794), (2, 104259897), (3, 69506598), (6, 34753299), (7, 29788542), (9, 23168866), (14, 14894271), (18, 11584433), (19, 10974726), (21, 9929514), (23, 9066078), (38, 5487363), (42, 4964757), (46, 4533039), (49, 4255506), (57, 3658242), (63, 3309838), (69, 3022026), (98, 2127753), (114, 1829121), (126, 1654919), (133, 1567818), (138, 1511013), (147, 1418502), (161, 1295154), (171, 1219414), (207, 1007342), (266, 783909), (294, 709251), (322, 647577), (342, 609707), (399, 522606), (414, 503671), (437, 477162), (441, 472834), (483, 431718), (541, 385434), (798, 261303), (874, 238581), (882, 236417), (931, 223974), (966, 215859), (1082, 192717), (1127, 185022), (1197, 174202), (1311, 159054), (1449, 143906), (1623, 128478), (1862, 111987), (2254, 92511), (2394, 87101), (2622, 79527), (2793, 74658), (2898, 71953), (3059, 68166), (3246, 64239), (3381, 61674), (3787, 55062), (3933, 53018), (4869, 42826), (5586, 37329), (6118, 34083), (6762, 30837), (7574, 27531), (7866, 26509), (8379, 24886), (9177, 22722), (9738, 21413), (10143, 20558), (10279, 20286), (11361, 18354), (12443, 16758)]