638527066

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{991}}^1\times {\mathrm{2851}}^1$

素因数の和:3957

約数の個数: 16

約数和(自身を含む): 967580928

約数和(自身を除く): 329053862

約数列:

[1, 2, 113, 226, 991, 1982, 2851, 5702, 111983, 223966, 322163, 644326, 2825341, 5650682, 319263533, 638527066]

約数ペア:

[(1, 638527066), (2, 319263533), (113, 5650682), (226, 2825341), (991, 644326), (1982, 322163), (2851, 223966), (5702, 111983)]