256464404

素因数分解:

$2^2\times 7^1\times {\mathrm{971}}^1\times {\mathrm{9433}}^1$

素因数の和:10415

約数の個数: 24

約数和(自身を含む): 513511488

約数和(自身を除く): 257047084

約数列:

[1, 2, 4, 7, 14, 28, 971, 1942, 3884, 6797, 9433, 13594, 18866, 27188, 37732, 66031, 132062, 264124, 9159443, 18318886, 36637772, 64116101, 128232202, 256464404]

約数ペア:

[(1, 256464404), (2, 128232202), (4, 64116101), (7, 36637772), (14, 18318886), (28, 9159443), (971, 264124), (1942, 132062), (3884, 66031), (6797, 37732), (9433, 27188), (13594, 18866)]