399348542

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{631}}^1\times {\mathrm{4723}}^1$

素因数の和:5423

約数の個数: 16

約数和(自身を含む): 609055872

約数和(自身を除く): 209707330

約数列:

[1, 2, 67, 134, 631, 1262, 4723, 9446, 42277, 84554, 316441, 632882, 2980213, 5960426, 199674271, 399348542]

約数ペア:

[(1, 399348542), (2, 199674271), (67, 5960426), (134, 2980213), (631, 632882), (1262, 316441), (4723, 84554), (9446, 42277)]