256609904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{225889}}^1$

素因数の和:225968

約数の個数: 20

約数和(自身を含む): 504186480

約数和(自身を除く): 247576576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 225889, 451778, 903556, 1807112, 3614224, 16038119, 32076238, 64152476, 128304952, 256609904]

約数ペア:

[(1, 256609904), (2, 128304952), (4, 64152476), (8, 32076238), (16, 16038119), (71, 3614224), (142, 1807112), (284, 903556), (568, 451778), (1136, 225889)]