256339972

素因数分解:

$2^2\times 7^2\times {\mathrm{461}}^1\times {\mathrm{2837}}^1$

素因数の和:3316

約数の個数: 36

約数和(自身を含む): 523151244

約数和(自身を除く): 266811272

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 461, 922, 1844, 2837, 3227, 5674, 6454, 11348, 12908, 19859, 22589, 39718, 45178, 79436, 90356, 139013, 278026, 556052, 1307857, 2615714, 5231428, 9154999, 18309998, 36619996, 64084993, 128169986, 256339972]

約数ペア:

[(1, 256339972), (2, 128169986), (4, 64084993), (7, 36619996), (14, 18309998), (28, 9154999), (49, 5231428), (98, 2615714), (196, 1307857), (461, 556052), (922, 278026), (1844, 139013), (2837, 90356), (3227, 79436), (5674, 45178), (6454, 39718), (11348, 22589), (12908, 19859)]