217367696

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{443}}^1$

素因数の和:808

約数の個数: 80

約数和(自身を含む): 521049984

約数和(自身を除く): 303682288

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 337, 364, 443, 674, 728, 886, 1348, 1456, 1772, 2359, 2696, 3101, 3544, 4381, 4718, 5392, 5759, 6202, 7088, 8762, 9436, 11518, 12404, 17524, 18872, 23036, 24808, 30667, 35048, 37744, 40313, 46072, 49616, 61334, 70096, 80626, 92144, 122668, 149291, 161252, 245336, 298582, 322504, 490672, 597164, 645008, 1045037, 1194328, 1940783, 2090074, 2388656, 3881566, 4180148, 7763132, 8360296, 13585481, 15526264, 16720592, 27170962, 31052528, 54341924, 108683848, 217367696]

約数ペア:

[(1, 217367696), (2, 108683848), (4, 54341924), (7, 31052528), (8, 27170962), (13, 16720592), (14, 15526264), (16, 13585481), (26, 8360296), (28, 7763132), (52, 4180148), (56, 3881566), (91, 2388656), (104, 2090074), (112, 1940783), (182, 1194328), (208, 1045037), (337, 645008), (364, 597164), (443, 490672), (674, 322504), (728, 298582), (886, 245336), (1348, 161252), (1456, 149291), (1772, 122668), (2359, 92144), (2696, 80626), (3101, 70096), (3544, 61334), (4381, 49616), (4718, 46072), (5392, 40313), (5759, 37744), (6202, 35048), (7088, 30667), (8762, 24808), (9436, 23036), (11518, 18872), (12404, 17524)]