639001174

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1233593}}^1$

素因数の和:1233639

約数の個数: 16

約数和(自身を含む): 1125037728

約数和(自身を除く): 486036554

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 1233593, 2467186, 8635151, 17270302, 45642941, 91285882, 319500587, 639001174]

約数ペア:

[(1, 639001174), (2, 319500587), (7, 91285882), (14, 45642941), (37, 17270302), (74, 8635151), (259, 2467186), (518, 1233593)]