256213216

素因数分解:

$2^5\times 7^1\times {\mathrm{1143809}}^1$

素因数の和:1143826

約数の個数: 24

約数和(自身を含む): 576480240

約数和(自身を除く): 320267024

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1143809, 2287618, 4575236, 8006663, 9150472, 16013326, 18300944, 32026652, 36601888, 64053304, 128106608, 256213216]

約数ペア:

[(1, 256213216), (2, 128106608), (4, 64053304), (7, 36601888), (8, 32026652), (14, 18300944), (16, 16013326), (28, 9150472), (32, 8006663), (56, 4575236), (112, 2287618), (224, 1143809)]