86747815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1783

約数の個数: 32

約数和(自身を含む): 130798080

約数和(自身を除く): 44050265

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 695, 973, 1529, 1621, 4865, 7645, 8105, 10703, 11347, 17831, 53515, 56735, 89155, 124817, 225319, 624085, 1126595, 1577233, 2478509, 7886165, 12392545, 17349563, 86747815]

約数ペア:

[(1, 86747815), (5, 17349563), (7, 12392545), (11, 7886165), (35, 2478509), (55, 1577233), (77, 1126595), (139, 624085), (385, 225319), (695, 124817), (973, 89155), (1529, 56735), (1621, 53515), (4865, 17831), (7645, 11347), (8105, 10703)]