81200642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{10847}}^1$

素因数の和:11065

約数の個数: 16

約数和(自身を含む): 128874240

約数和(自身を除く): 47673598

約数列:

[1, 2, 19, 38, 197, 394, 3743, 7486, 10847, 21694, 206093, 412186, 2136859, 4273718, 40600321, 81200642]

約数ペア:

[(1, 81200642), (2, 40600321), (19, 4273718), (38, 2136859), (197, 412186), (394, 206093), (3743, 21694), (7486, 10847)]