7979990

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5741}}^1$

素因数の和:5887

約数の個数: 16

約数和(自身を含む): 14469840

約数和(自身を除く): 6489850

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 5741, 11482, 28705, 57410, 797999, 1595998, 3989995, 7979990]

約数ペア:

[(1, 7979990), (2, 3989995), (5, 1595998), (10, 797999), (139, 57410), (278, 28705), (695, 11482), (1390, 5741)]