321191806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1787}}^1$

素因数の和:2056

約数の個数: 32

約数和(自身を含む): 538288128

約数和(自身を除く): 217096322

約数列:

[1, 2, 13, 26, 31, 62, 223, 403, 446, 806, 1787, 2899, 3574, 5798, 6913, 13826, 23231, 46462, 55397, 89869, 110794, 179738, 398501, 720161, 797002, 1440322, 5180513, 10361026, 12353531, 24707062, 160595903, 321191806]

約数ペア:

[(1, 321191806), (2, 160595903), (13, 24707062), (26, 12353531), (31, 10361026), (62, 5180513), (223, 1440322), (403, 797002), (446, 720161), (806, 398501), (1787, 179738), (2899, 110794), (3574, 89869), (5798, 55397), (6913, 46462), (13826, 23231)]