256697336

素因数分解:

$2^3\times 7^1\times {\mathrm{2141}}^2$

素因数の和:4295

約数の個数: 24

約数和(自身を含む): 550322760

約数和(自身を除く): 293625424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2141, 4282, 8564, 14987, 17128, 29974, 59948, 119896, 4583881, 9167762, 18335524, 32087167, 36671048, 64174334, 128348668, 256697336]

約数ペア:

[(1, 256697336), (2, 128348668), (4, 64174334), (7, 36671048), (8, 32087167), (14, 18335524), (28, 9167762), (56, 4583881), (2141, 119896), (4282, 59948), (8564, 29974), (14987, 17128)]