639646852

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{424169}}^1$

素因数の和:424215

約数の個数: 24

約数和(自身を含む): 1247059800

約数和(自身を除く): 607412948

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 424169, 848338, 1696676, 5514197, 11028394, 12300901, 22056788, 24601802, 49203604, 159911713, 319823426, 639646852]

約数ペア:

[(1, 639646852), (2, 319823426), (4, 159911713), (13, 49203604), (26, 24601802), (29, 22056788), (52, 12300901), (58, 11028394), (116, 5514197), (377, 1696676), (754, 848338), (1508, 424169)]