640025508

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{49339}}^1$

素因数の和:49416

約数の個数: 48

約数和(自身を含む): 1591511040

約数和(自身を除く): 951485532

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 47, 69, 92, 94, 138, 141, 188, 276, 282, 564, 1081, 2162, 3243, 4324, 6486, 12972, 49339, 98678, 148017, 197356, 296034, 592068, 1134797, 2269594, 2318933, 3404391, 4539188, 4637866, 6808782, 6956799, 9275732, 13617564, 13913598, 27827196, 53335459, 106670918, 160006377, 213341836, 320012754, 640025508]

約数ペア:

[(1, 640025508), (2, 320012754), (3, 213341836), (4, 160006377), (6, 106670918), (12, 53335459), (23, 27827196), (46, 13913598), (47, 13617564), (69, 9275732), (92, 6956799), (94, 6808782), (138, 4637866), (141, 4539188), (188, 3404391), (276, 2318933), (282, 2269594), (564, 1134797), (1081, 592068), (2162, 296034), (3243, 197356), (4324, 148017), (6486, 98678), (12972, 49339)]