256609528

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{1193}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 577704960

約数和(自身を除く): 321095432

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 167, 184, 322, 334, 644, 668, 1169, 1193, 1288, 1336, 2338, 2386, 3841, 4676, 4772, 7682, 8351, 9352, 9544, 15364, 16702, 26887, 27439, 30728, 33404, 53774, 54878, 66808, 107548, 109756, 192073, 199231, 215096, 219512, 384146, 398462, 768292, 796924, 1394617, 1536584, 1593848, 2789234, 4582313, 5578468, 9164626, 11156936, 18329252, 32076191, 36658504, 64152382, 128304764, 256609528]

約数ペア:

[(1, 256609528), (2, 128304764), (4, 64152382), (7, 36658504), (8, 32076191), (14, 18329252), (23, 11156936), (28, 9164626), (46, 5578468), (56, 4582313), (92, 2789234), (161, 1593848), (167, 1536584), (184, 1394617), (322, 796924), (334, 768292), (644, 398462), (668, 384146), (1169, 219512), (1193, 215096), (1288, 199231), (1336, 192073), (2338, 109756), (2386, 107548), (3841, 66808), (4676, 54878), (4772, 53774), (7682, 33404), (8351, 30728), (9352, 27439), (9544, 26887), (15364, 16702)]