290130256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1394857}}^1$

素因数の和:1394878

約数の個数: 20

約数和(自身を含む): 605368372

約数和(自身を除く): 315238116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1394857, 2789714, 5579428, 11158856, 18133141, 22317712, 36266282, 72532564, 145065128, 290130256]

約数ペア:

[(1, 290130256), (2, 145065128), (4, 72532564), (8, 36266282), (13, 22317712), (16, 18133141), (26, 11158856), (52, 5579428), (104, 2789714), (208, 1394857)]