8990605

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{881}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 11705904

約数和(自身を除く): 2715299

約数列:

[1, 5, 13, 65, 157, 785, 881, 2041, 4405, 10205, 11453, 57265, 138317, 691585, 1798121, 8990605]

約数ペア:

[(1, 8990605), (5, 1798121), (13, 691585), (65, 138317), (157, 57265), (785, 11453), (881, 10205), (2041, 4405)]