31257947

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{919}}^1$

素因数の和:1082

約数の個数: 16

約数和(自身を含む): 36917760

約数和(自身を除く): 5659813

約数列:

[1, 7, 43, 113, 301, 791, 919, 4859, 6433, 34013, 39517, 103847, 276619, 726929, 4465421, 31257947]

約数ペア:

[(1, 31257947), (7, 4465421), (43, 726929), (113, 276619), (301, 103847), (791, 39517), (919, 34013), (4859, 6433)]