426021908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{21061}}^1$

素因数の和:21467

約数の個数: 24

約数和(自身を含む): 804989640

約数和(自身を除く): 378967732

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1556, 5057, 10114, 20228, 21061, 42122, 84244, 273793, 547586, 1095172, 8192729, 16385458, 32770916, 106505477, 213010954, 426021908]

約数ペア:

[(1, 426021908), (2, 213010954), (4, 106505477), (13, 32770916), (26, 16385458), (52, 8192729), (389, 1095172), (778, 547586), (1556, 273793), (5057, 84244), (10114, 42122), (20228, 21061)]