642138839

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{619}}^1\times {\mathrm{769}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 687456000

約数和(自身を除く): 45317161

約数列:

[1, 19, 71, 619, 769, 1349, 11761, 14611, 43949, 54599, 476011, 835031, 1037381, 9044209, 33796781, 642138839]

約数ペア:

[(1, 642138839), (19, 33796781), (71, 9044209), (619, 1037381), (769, 835031), (1349, 476011), (11761, 54599), (14611, 43949)]