31520552

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 71024640

約数和(自身を除く): 39504088

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 67, 124, 134, 217, 248, 268, 271, 434, 469, 536, 542, 868, 938, 1084, 1736, 1876, 1897, 2077, 2168, 3752, 3794, 4154, 7588, 8308, 8401, 14539, 15176, 16616, 16802, 18157, 29078, 33604, 36314, 58156, 58807, 67208, 72628, 116312, 117614, 127099, 145256, 235228, 254198, 470456, 508396, 562867, 1016792, 1125734, 2251468, 3940069, 4502936, 7880138, 15760276, 31520552]

約数ペア:

[(1, 31520552), (2, 15760276), (4, 7880138), (7, 4502936), (8, 3940069), (14, 2251468), (28, 1125734), (31, 1016792), (56, 562867), (62, 508396), (67, 470456), (124, 254198), (134, 235228), (217, 145256), (248, 127099), (268, 117614), (271, 116312), (434, 72628), (469, 67208), (536, 58807), (542, 58156), (868, 36314), (938, 33604), (1084, 29078), (1736, 18157), (1876, 16802), (1897, 16616), (2077, 15176), (2168, 14539), (3752, 8401), (3794, 8308), (4154, 7588)]