71421530

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{90407}}^1$

素因数の和:90493

約数の個数: 16

約数和(自身を含む): 130187520

約数和(自身を除く): 58765990

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 90407, 180814, 452035, 904070, 7142153, 14284306, 35710765, 71421530]

約数ペア:

[(1, 71421530), (2, 35710765), (5, 14284306), (10, 7142153), (79, 904070), (158, 452035), (395, 180814), (790, 90407)]