209178648

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{281}}^1$

素因数の和:518

約数の個数: 144

約数和(自身を含む): 664499160

約数和(自身を除く): 455320512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 211, 252, 281, 294, 392, 422, 441, 504, 562, 588, 633, 843, 844, 882, 1124, 1176, 1266, 1477, 1686, 1688, 1764, 1899, 1967, 2248, 2529, 2532, 2954, 3372, 3528, 3798, 3934, 4431, 5058, 5064, 5901, 5908, 6744, 7596, 7868, 8862, 10116, 10339, 11802, 11816, 13293, 13769, 15192, 15736, 17703, 17724, 20232, 20678, 23604, 26586, 27538, 31017, 35406, 35448, 41307, 41356, 47208, 53172, 55076, 59291, 62034, 70812, 82614, 82712, 93051, 106344, 110152, 118582, 123921, 124068, 141624, 165228, 177873, 186102, 237164, 247842, 248136, 330456, 355746, 372204, 415037, 474328, 495684, 533619, 711492, 744408, 830074, 991368, 1067238, 1245111, 1422984, 1660148, 2134476, 2490222, 2905259, 3320296, 3735333, 4268952, 4980444, 5810518, 7470666, 8715777, 9960888, 11621036, 14941332, 17431554, 23242072, 26147331, 29882664, 34863108, 52294662, 69726216, 104589324, 209178648]

約数ペア:

[(1, 209178648), (2, 104589324), (3, 69726216), (4, 52294662), (6, 34863108), (7, 29882664), (8, 26147331), (9, 23242072), (12, 17431554), (14, 14941332), (18, 11621036), (21, 9960888), (24, 8715777), (28, 7470666), (36, 5810518), (42, 4980444), (49, 4268952), (56, 3735333), (63, 3320296), (72, 2905259), (84, 2490222), (98, 2134476), (126, 1660148), (147, 1422984), (168, 1245111), (196, 1067238), (211, 991368), (252, 830074), (281, 744408), (294, 711492), (392, 533619), (422, 495684), (441, 474328), (504, 415037), (562, 372204), (588, 355746), (633, 330456), (843, 248136), (844, 247842), (882, 237164), (1124, 186102), (1176, 177873), (1266, 165228), (1477, 141624), (1686, 124068), (1688, 123921), (1764, 118582), (1899, 110152), (1967, 106344), (2248, 93051), (2529, 82712), (2532, 82614), (2954, 70812), (3372, 62034), (3528, 59291), (3798, 55076), (3934, 53172), (4431, 47208), (5058, 41356), (5064, 41307), (5901, 35448), (5908, 35406), (6744, 31017), (7596, 27538), (7868, 26586), (8862, 23604), (10116, 20678), (10339, 20232), (11802, 17724), (11816, 17703), (13293, 15736), (13769, 15192)]