170720105

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 217945728

約数和(自身を除く): 47225623

約数列:

[1, 5, 41, 43, 107, 181, 205, 215, 535, 905, 1763, 4387, 4601, 7421, 7783, 8815, 19367, 21935, 23005, 37105, 38915, 96835, 188641, 319103, 794047, 832781, 943205, 1595515, 3970235, 4163905, 34144021, 170720105]

約数ペア:

[(1, 170720105), (5, 34144021), (41, 4163905), (43, 3970235), (107, 1595515), (181, 943205), (205, 832781), (215, 794047), (535, 319103), (905, 188641), (1763, 96835), (4387, 38915), (4601, 37105), (7421, 23005), (7783, 21935), (8815, 19367)]