123457468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 240528960

約数和(自身を除く): 117071492

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 193, 386, 391, 409, 772, 782, 818, 1564, 1636, 3281, 4439, 6562, 6953, 8878, 9407, 13124, 13906, 17756, 18814, 27812, 37628, 75463, 78937, 150926, 157874, 159919, 301852, 315748, 319838, 639676, 1341929, 1815551, 2683858, 3631102, 5367716, 7262204, 30864367, 61728734, 123457468]

約数ペア:

[(1, 123457468), (2, 61728734), (4, 30864367), (17, 7262204), (23, 5367716), (34, 3631102), (46, 2683858), (68, 1815551), (92, 1341929), (193, 639676), (386, 319838), (391, 315748), (409, 301852), (772, 159919), (782, 157874), (818, 150926), (1564, 78937), (1636, 75463), (3281, 37628), (4439, 27812), (6562, 18814), (6953, 17756), (8878, 13906), (9407, 13124)]