256004864

素因数分解:

$2^8\times {\mathrm{47}}^1\times {\mathrm{21277}}^1$

素因数の和:21340

約数の個数: 36

約数和(自身を含む): 521906784

約数和(自身を除く): 265901920

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 256, 376, 752, 1504, 3008, 6016, 12032, 21277, 42554, 85108, 170216, 340432, 680864, 1000019, 1361728, 2000038, 2723456, 4000076, 5446912, 8000152, 16000304, 32000608, 64001216, 128002432, 256004864]

約数ペア:

[(1, 256004864), (2, 128002432), (4, 64001216), (8, 32000608), (16, 16000304), (32, 8000152), (47, 5446912), (64, 4000076), (94, 2723456), (128, 2000038), (188, 1361728), (256, 1000019), (376, 680864), (752, 340432), (1504, 170216), (3008, 85108), (6016, 42554), (12032, 21277)]