7864898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1649

約数の個数: 16

約数和(自身を含む): 12516000

約数和(自身を除く): 4651102

約数列:

[1, 2, 19, 38, 139, 278, 1489, 2641, 2978, 5282, 28291, 56582, 206971, 413942, 3932449, 7864898]

約数ペア:

[(1, 7864898), (2, 3932449), (19, 413942), (38, 206971), (139, 56582), (278, 28291), (1489, 5282), (2641, 2978)]