1280433674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2591971}}^1$

素因数の和:2592005

約数の個数: 16

約数和(自身を含む): 2177256480

約数和(自身を除く): 896822806

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 2591971, 5183942, 33695623, 49247449, 67391246, 98494898, 640216837, 1280433674]

約数ペア:

[(1, 1280433674), (2, 640216837), (13, 98494898), (19, 67391246), (26, 49247449), (38, 33695623), (247, 5183942), (494, 2591971)]