394772

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 825216

約数和(自身を除く): 430444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 613, 644, 1226, 2452, 4291, 8582, 14099, 17164, 28198, 56396, 98693, 197386, 394772]

約数ペア:

[(1, 394772), (2, 197386), (4, 98693), (7, 56396), (14, 28198), (23, 17164), (28, 14099), (46, 8582), (92, 4291), (161, 2452), (322, 1226), (613, 644)]