256388397854

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{10993}}^1\times {\mathrm{40351}}^1$

素因数の和:51380

約数の個数: 24

約数和(自身を含む): 408583126848

約数和(自身を除く): 152194728994

約数列:

[1, 2, 17, 34, 289, 578, 10993, 21986, 40351, 80702, 186881, 373762, 685967, 1371934, 3176977, 6353954, 11661439, 23322878, 443578543, 887157086, 7540835231, 15081670462, 128194198927, 256388397854]

約数ペア:

[(1, 256388397854), (2, 128194198927), (17, 15081670462), (34, 7540835231), (289, 887157086), (578, 443578543), (10993, 23322878), (21986, 11661439), (40351, 6353954), (80702, 3176977), (186881, 1371934), (373762, 685967)]