1665427585

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1\times {\mathrm{839}}^1$

素因数の和:1329

約数の個数: 32

約数和(自身を含む): 2143895040

約数和(自身を除く): 478467455

約数列:

[1, 5, 23, 41, 115, 205, 421, 839, 943, 2105, 4195, 4715, 9683, 17261, 19297, 34399, 48415, 86305, 96485, 171995, 353219, 397003, 791177, 1766095, 1985015, 3955885, 8124037, 14481979, 40620185, 72409895, 333085517, 1665427585]

約数ペア:

[(1, 1665427585), (5, 333085517), (23, 72409895), (41, 40620185), (115, 14481979), (205, 8124037), (421, 3955885), (839, 1985015), (943, 1766095), (2105, 791177), (4195, 397003), (4715, 353219), (9683, 171995), (17261, 96485), (19297, 86305), (34399, 48415)]