81498708

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{3499}}^1$

素因数の和:4156

約数の個数: 36

約数和(自身を含む): 206388000

約数和(自身を除く): 124889292

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 1294, 1941, 2588, 3499, 3882, 5823, 6998, 7764, 10497, 11646, 13996, 20994, 23292, 31491, 41988, 62982, 125964, 2263853, 4527706, 6791559, 9055412, 13583118, 20374677, 27166236, 40749354, 81498708]

約数ペア:

[(1, 81498708), (2, 40749354), (3, 27166236), (4, 20374677), (6, 13583118), (9, 9055412), (12, 6791559), (18, 4527706), (36, 2263853), (647, 125964), (1294, 62982), (1941, 41988), (2588, 31491), (3499, 23292), (3882, 20994), (5823, 13996), (6998, 11646), (7764, 10497)]