648869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 16

約数和(自身を含む): 766080

約数和(自身を除く): 117211

約数列:

[1, 13, 19, 37, 71, 247, 481, 703, 923, 1349, 2627, 9139, 17537, 34151, 49913, 648869]

約数ペア:

[(1, 648869), (13, 49913), (19, 34151), (37, 17537), (71, 9139), (247, 2627), (481, 1349), (703, 923)]