1267679

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:686

約数の個数: 12

約数和(自身を含む): 1513008

約数和(自身を除く): 245329

約数列:

[1, 7, 41, 49, 287, 631, 2009, 4417, 25871, 30919, 181097, 1267679]

約数ペア:

[(1, 1267679), (7, 181097), (41, 30919), (49, 25871), (287, 4417), (631, 2009)]