66001955

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{2089}}^1$

素因数の和:2254

約数の個数: 16

約数和(自身を含む): 81259200

約数和(自身を除く): 15257245

約数列:

[1, 5, 71, 89, 355, 445, 2089, 6319, 10445, 31595, 148319, 185921, 741595, 929605, 13200391, 66001955]

約数ペア:

[(1, 66001955), (5, 13200391), (71, 929605), (89, 741595), (355, 185921), (445, 148319), (2089, 31595), (6319, 10445)]