199749368

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 487710720

約数和(自身を除く): 287961352

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 53, 56, 62, 91, 104, 106, 124, 167, 182, 212, 217, 248, 334, 364, 371, 403, 424, 434, 668, 689, 728, 742, 806, 868, 1169, 1336, 1378, 1484, 1612, 1643, 1736, 2171, 2338, 2756, 2821, 2968, 3224, 3286, 4342, 4676, 4823, 5177, 5512, 5642, 6572, 8684, 8851, 9352, 9646, 10354, 11284, 11501, 13144, 15197, 17368, 17702, 19292, 20708, 21359, 22568, 23002, 30394, 35404, 36239, 38584, 41416, 42718, 46004, 60788, 61957, 67301, 70808, 72478, 85436, 92008, 115063, 121576, 123914, 134602, 144956, 149513, 170872, 230126, 247828, 269204, 274381, 289912, 299026, 460252, 471107, 495656, 538408, 548762, 598052, 805441, 920504, 942214, 1097524, 1196104, 1610882, 1884428, 1920667, 2195048, 3221764, 3566953, 3768856, 3841334, 6443528, 7133906, 7682668, 14267812, 15365336, 24968671, 28535624, 49937342, 99874684, 199749368]

約数ペア:

[(1, 199749368), (2, 99874684), (4, 49937342), (7, 28535624), (8, 24968671), (13, 15365336), (14, 14267812), (26, 7682668), (28, 7133906), (31, 6443528), (52, 3841334), (53, 3768856), (56, 3566953), (62, 3221764), (91, 2195048), (104, 1920667), (106, 1884428), (124, 1610882), (167, 1196104), (182, 1097524), (212, 942214), (217, 920504), (248, 805441), (334, 598052), (364, 548762), (371, 538408), (403, 495656), (424, 471107), (434, 460252), (668, 299026), (689, 289912), (728, 274381), (742, 269204), (806, 247828), (868, 230126), (1169, 170872), (1336, 149513), (1378, 144956), (1484, 134602), (1612, 123914), (1643, 121576), (1736, 115063), (2171, 92008), (2338, 85436), (2756, 72478), (2821, 70808), (2968, 67301), (3224, 61957), (3286, 60788), (4342, 46004), (4676, 42718), (4823, 41416), (5177, 38584), (5512, 36239), (5642, 35404), (6572, 30394), (8684, 23002), (8851, 22568), (9352, 21359), (9646, 20708), (10354, 19292), (11284, 17702), (11501, 17368), (13144, 15197)]