128664568

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{20129}}^1$

素因数の和:20199

約数の個数: 32

約数和(自身を含む): 260884800

約数和(自身を除く): 132220232

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 6392, 20129, 40258, 80516, 161032, 342193, 684386, 946063, 1368772, 1892126, 2737544, 3784252, 7568504, 16083071, 32166142, 64332284, 128664568]

約数ペア:

[(1, 128664568), (2, 64332284), (4, 32166142), (8, 16083071), (17, 7568504), (34, 3784252), (47, 2737544), (68, 1892126), (94, 1368772), (136, 946063), (188, 684386), (376, 342193), (799, 161032), (1598, 80516), (3196, 40258), (6392, 20129)]