796660

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 1703016

約数和(自身を除く): 906356

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 653, 1220, 1306, 2612, 3265, 6530, 13060, 39833, 79666, 159332, 199165, 398330, 796660]

約数ペア:

[(1, 796660), (2, 398330), (4, 199165), (5, 159332), (10, 79666), (20, 39833), (61, 13060), (122, 6530), (244, 3265), (305, 2612), (610, 1306), (653, 1220)]