71871947

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{727}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 85263360

約数和(自身を除く): 13391413

約数列:

[1, 7, 29, 203, 487, 727, 3409, 5089, 14123, 21083, 98861, 147581, 354049, 2478343, 10267421, 71871947]

約数ペア:

[(1, 71871947), (7, 10267421), (29, 2478343), (203, 354049), (487, 147581), (727, 98861), (3409, 21083), (5089, 14123)]