161735515

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^2$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 202069728

約数和(自身を除く): 40334213

約数列:

[1, 5, 71, 73, 79, 355, 365, 395, 5183, 5609, 5767, 6241, 25915, 28045, 28835, 31205, 409457, 443111, 455593, 2047285, 2215555, 2277965, 32347103, 161735515]

約数ペア:

[(1, 161735515), (5, 32347103), (71, 2277965), (73, 2215555), (79, 2047285), (355, 455593), (365, 443111), (395, 409457), (5183, 31205), (5609, 28835), (5767, 28045), (6241, 25915)]