42740509

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{3739}}^1$

素因数の和:3840

約数の個数: 16

約数和(自身を含む): 51701760

約数和(自身を除く): 8961251

約数列:

[1, 7, 23, 71, 161, 497, 1633, 3739, 11431, 26173, 85997, 265469, 601979, 1858283, 6105787, 42740509]

約数ペア:

[(1, 42740509), (7, 6105787), (23, 1858283), (71, 601979), (161, 265469), (497, 85997), (1633, 26173), (3739, 11431)]