86840887

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2591

約数の個数: 24

約数和(自身を含む): 109253040

約数和(自身を除く): 22412153

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 931, 1813, 2521, 4921, 17647, 34447, 47899, 93277, 123529, 335293, 652939, 1772263, 2347051, 4570573, 12405841, 86840887]

約数ペア:

[(1, 86840887), (7, 12405841), (19, 4570573), (37, 2347051), (49, 1772263), (133, 652939), (259, 335293), (703, 123529), (931, 93277), (1813, 47899), (2521, 34447), (4921, 17647)]