81561889

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 88058880

約数和(自身を除く): 6496991

約数列:

[1, 19, 71, 103, 587, 1349, 1957, 7313, 11153, 41677, 60461, 138947, 791863, 1148759, 4292731, 81561889]

約数ペア:

[(1, 81561889), (19, 4292731), (71, 1148759), (103, 791863), (587, 138947), (1349, 60461), (1957, 41677), (7313, 11153)]