66670775

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{37561}}^1$

素因数の和:37642

約数の個数: 12

約数和(自身を含む): 83838384

約数和(自身を除く): 17167609

約数列:

[1, 5, 25, 71, 355, 1775, 37561, 187805, 939025, 2666831, 13334155, 66670775]

約数ペア:

[(1, 66670775), (5, 13334155), (25, 2666831), (71, 939025), (355, 187805), (1775, 37561)]