166655815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{20411}}^1$

素因数の和:20510

約数の個数: 16

約数和(自身を含む): 211631616

約数和(自身を除く): 44975801

約数列:

[1, 5, 23, 71, 115, 355, 1633, 8165, 20411, 102055, 469453, 1449181, 2347265, 7245905, 33331163, 166655815]

約数ペア:

[(1, 166655815), (5, 33331163), (23, 7245905), (71, 2347265), (115, 1449181), (355, 469453), (1633, 102055), (8165, 20411)]