640303937507

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{8781271}}^1$

素因数の和:8781434

約数の個数: 16

約数和(自身を含む): 708121774080

約数和(自身を除く): 67817836573

約数列:

[1, 13, 71, 79, 923, 1027, 5609, 72917, 8781271, 114156523, 623470241, 693720409, 8105113133, 9018365317, 49254149039, 640303937507]

約数ペア:

[(1, 640303937507), (13, 49254149039), (71, 9018365317), (79, 8105113133), (923, 693720409), (1027, 623470241), (5609, 114156523), (72917, 8781271)]