638567906

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{4231}}^1$

素因数の和:4466

約数の個数: 32

約数和(自身を含む): 1064026368

約数和(自身を除く): 425458462

約数列:

[1, 2, 17, 23, 34, 46, 193, 386, 391, 782, 3281, 4231, 4439, 6562, 8462, 8878, 71927, 75463, 97313, 143854, 150926, 194626, 816583, 1633166, 1654321, 3308642, 13881911, 18781409, 27763822, 37562818, 319283953, 638567906]

約数ペア:

[(1, 638567906), (2, 319283953), (17, 37562818), (23, 27763822), (34, 18781409), (46, 13881911), (193, 3308642), (386, 1654321), (391, 1633166), (782, 816583), (3281, 194626), (4231, 150926), (4439, 143854), (6562, 97313), (8462, 75463), (8878, 71927)]