80786548

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 143218152

約数和(自身を除く): 62431604

約数列:

[1, 2, 4, 157, 197, 314, 394, 628, 653, 788, 1306, 2612, 30929, 61858, 102521, 123716, 128641, 205042, 257282, 410084, 514564, 20196637, 40393274, 80786548]

約数ペア:

[(1, 80786548), (2, 40393274), (4, 20196637), (157, 514564), (197, 410084), (314, 257282), (394, 205042), (628, 128641), (653, 123716), (788, 102521), (1306, 61858), (2612, 30929)]