42000008

素因数分解:

$2^3\times {\mathrm{439}}^1\times {\mathrm{11959}}^1$

素因数の和:12404

約数の個数: 16

約数和(自身を含む): 78936000

約数和(自身を除く): 36935992

約数列:

[1, 2, 4, 8, 439, 878, 1756, 3512, 11959, 23918, 47836, 95672, 5250001, 10500002, 21000004, 42000008]

約数ペア:

[(1, 42000008), (2, 21000004), (4, 10500002), (8, 5250001), (439, 95672), (878, 47836), (1756, 23918), (3512, 11959)]