209765512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1237}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 449245440

約数和(自身を除く): 239479928

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 47, 82, 88, 94, 164, 188, 328, 376, 451, 517, 902, 1034, 1237, 1804, 1927, 2068, 2474, 3608, 3854, 4136, 4948, 7708, 9896, 13607, 15416, 21197, 27214, 42394, 50717, 54428, 58139, 84788, 101434, 108856, 116278, 169576, 202868, 232556, 405736, 465112, 557887, 639529, 1115774, 1279058, 2231548, 2383699, 2558116, 4463096, 4767398, 5116232, 9534796, 19069592, 26220689, 52441378, 104882756, 209765512]

約数ペア:

[(1, 209765512), (2, 104882756), (4, 52441378), (8, 26220689), (11, 19069592), (22, 9534796), (41, 5116232), (44, 4767398), (47, 4463096), (82, 2558116), (88, 2383699), (94, 2231548), (164, 1279058), (188, 1115774), (328, 639529), (376, 557887), (451, 465112), (517, 405736), (902, 232556), (1034, 202868), (1237, 169576), (1804, 116278), (1927, 108856), (2068, 101434), (2474, 84788), (3608, 58139), (3854, 54428), (4136, 50717), (4948, 42394), (7708, 27214), (9896, 21197), (13607, 15416)]