388690809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{14177}}^1$

素因数の和:14249

約数の個数: 32

約数和(自身を含む): 603415680

約数和(自身を除く): 214724871

約数列:

[1, 3, 13, 19, 37, 39, 57, 111, 247, 481, 703, 741, 1443, 2109, 9139, 14177, 27417, 42531, 184301, 269363, 524549, 552903, 808089, 1573647, 3501719, 6819137, 9966431, 10505157, 20457411, 29899293, 129563603, 388690809]

約数ペア:

[(1, 388690809), (3, 129563603), (13, 29899293), (19, 20457411), (37, 10505157), (39, 9966431), (57, 6819137), (111, 3501719), (247, 1573647), (481, 808089), (703, 552903), (741, 524549), (1443, 269363), (2109, 184301), (9139, 42531), (14177, 27417)]