66397381

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:1000

約数の個数: 16

約数和(自身を含む): 72755200

約数和(自身を除く): 6357819

約数列:

[1, 19, 31, 139, 589, 811, 2641, 4309, 15409, 25141, 81871, 112729, 477679, 2141851, 3494599, 66397381]

約数ペア:

[(1, 66397381), (19, 3494599), (31, 2141851), (139, 477679), (589, 112729), (811, 81871), (2641, 25141), (4309, 15409)]