256612904

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{230767}}^1$

素因数の和:230912

約数の個数: 16

約数和(自身を含む): 484612800

約数和(自身を除く): 227999896

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 230767, 461534, 923068, 1846136, 32076613, 64153226, 128306452, 256612904]

約数ペア:

[(1, 256612904), (2, 128306452), (4, 64153226), (8, 32076613), (139, 1846136), (278, 923068), (556, 461534), (1112, 230767)]