256231936

素因数分解:

$2^9\times {\mathrm{29}}^1\times {\mathrm{17257}}^1$

素因数の和:17304

約数の個数: 40

約数和(自身を含む): 529648020

約数和(自身を除く): 273416084

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 256, 464, 512, 928, 1856, 3712, 7424, 14848, 17257, 34514, 69028, 138056, 276112, 500453, 552224, 1000906, 1104448, 2001812, 2208896, 4003624, 4417792, 8007248, 8835584, 16014496, 32028992, 64057984, 128115968, 256231936]

約数ペア:

[(1, 256231936), (2, 128115968), (4, 64057984), (8, 32028992), (16, 16014496), (29, 8835584), (32, 8007248), (58, 4417792), (64, 4003624), (116, 2208896), (128, 2001812), (232, 1104448), (256, 1000906), (464, 552224), (512, 500453), (928, 276112), (1856, 138056), (3712, 69028), (7424, 34514), (14848, 17257)]