256435568

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{241}}^1\times {\mathrm{911}}^1$

素因数の和:1233

約数の個数: 40

約数和(自身を含む): 506294976

約数和(自身を除く): 249859408

約数列:

[1, 2, 4, 8, 16, 73, 146, 241, 292, 482, 584, 911, 964, 1168, 1822, 1928, 3644, 3856, 7288, 14576, 17593, 35186, 66503, 70372, 133006, 140744, 219551, 266012, 281488, 439102, 532024, 878204, 1064048, 1756408, 3512816, 16027223, 32054446, 64108892, 128217784, 256435568]

約数ペア:

[(1, 256435568), (2, 128217784), (4, 64108892), (8, 32054446), (16, 16027223), (73, 3512816), (146, 1756408), (241, 1064048), (292, 878204), (482, 532024), (584, 439102), (911, 281488), (964, 266012), (1168, 219551), (1822, 140744), (1928, 133006), (3644, 70372), (3856, 66503), (7288, 35186), (14576, 17593)]