81589232

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{118589}}^1$

素因数の和:118640

約数の個数: 20

約数和(自身を含む): 161756760

約数和(自身を除く): 80167528

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 118589, 237178, 474356, 948712, 1897424, 5099327, 10198654, 20397308, 40794616, 81589232]

約数ペア:

[(1, 81589232), (2, 40794616), (4, 20397308), (8, 10198654), (16, 5099327), (43, 1897424), (86, 948712), (172, 474356), (344, 237178), (688, 118589)]