420269356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{260713}}^1$

素因数の和:260761

約数の個数: 24

約数和(自身を含む): 817599104

約数和(自身を除く): 397329748

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 260713, 521426, 1042852, 3389269, 6778538, 8082103, 13557076, 16164206, 32328412, 105067339, 210134678, 420269356]

約数ペア:

[(1, 420269356), (2, 210134678), (4, 105067339), (13, 32328412), (26, 16164206), (31, 13557076), (52, 8082103), (62, 6778538), (124, 3389269), (403, 1042852), (806, 521426), (1612, 260713)]