78971213

素因数分解:

${\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{223}}^1$

素因数の和:508

約数の個数: 16

約数和(自身を含む): 84188160

約数和(自身を除く): 5216947

約数列:

[1, 23, 89, 173, 223, 2047, 3979, 5129, 15397, 19847, 38579, 354131, 456481, 887317, 3433531, 78971213]

約数ペア:

[(1, 78971213), (23, 3433531), (89, 887317), (173, 456481), (223, 354131), (2047, 38579), (3979, 19847), (5129, 15397)]