1270321

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 16

約数和(自身を含む): 1489600

約数和(自身を除く): 219279

約数列:

[1, 13, 19, 37, 139, 247, 481, 703, 1807, 2641, 5143, 9139, 34333, 66859, 97717, 1270321]

約数ペア:

[(1, 1270321), (13, 97717), (19, 66859), (37, 34333), (139, 9139), (247, 5143), (481, 2641), (703, 1807)]