201639788

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^2$

素因数の和:279

約数の個数: 72

約数和(自身を含む): 442679328

約数和(自身を除く): 241039540

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 37, 68, 74, 107, 119, 148, 214, 238, 259, 428, 476, 518, 629, 749, 1036, 1258, 1498, 1819, 2516, 2996, 3638, 3959, 4403, 7276, 7918, 8806, 11449, 12733, 15836, 17612, 22898, 25466, 27713, 45796, 50932, 55426, 67303, 80143, 110852, 134606, 160286, 194633, 269212, 320572, 389266, 423613, 471121, 778532, 847226, 942242, 1362431, 1694452, 1884484, 2724862, 2965291, 5449724, 5930582, 7201421, 11861164, 14402842, 28805684, 50409947, 100819894, 201639788]

約数ペア:

[(1, 201639788), (2, 100819894), (4, 50409947), (7, 28805684), (14, 14402842), (17, 11861164), (28, 7201421), (34, 5930582), (37, 5449724), (68, 2965291), (74, 2724862), (107, 1884484), (119, 1694452), (148, 1362431), (214, 942242), (238, 847226), (259, 778532), (428, 471121), (476, 423613), (518, 389266), (629, 320572), (749, 269212), (1036, 194633), (1258, 160286), (1498, 134606), (1819, 110852), (2516, 80143), (2996, 67303), (3638, 55426), (3959, 50932), (4403, 45796), (7276, 27713), (7918, 25466), (8806, 22898), (11449, 17612), (12733, 15836)]