639304844

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{463}}^1\times {\mathrm{4159}}^1$

素因数の和:4709

約数の個数: 24

約数和(自身を含む): 1134981120

約数和(自身を除く): 495676276

約数列:

[1, 2, 4, 83, 166, 332, 463, 926, 1852, 4159, 8318, 16636, 38429, 76858, 153716, 345197, 690394, 1380788, 1925617, 3851234, 7702468, 159826211, 319652422, 639304844]

約数ペア:

[(1, 639304844), (2, 319652422), (4, 159826211), (83, 7702468), (166, 3851234), (332, 1925617), (463, 1380788), (926, 690394), (1852, 345197), (4159, 153716), (8318, 76858), (16636, 38429)]