256571856

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{29209}}^1$

素因数の和:29284

約数の個数: 60

約数和(自身を含む): 729841060

約数和(自身を除く): 473269204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 122, 144, 183, 244, 366, 488, 549, 732, 976, 1098, 1464, 2196, 2928, 4392, 8784, 29209, 58418, 87627, 116836, 175254, 233672, 262881, 350508, 467344, 525762, 701016, 1051524, 1402032, 1781749, 2103048, 3563498, 4206096, 5345247, 7126996, 10690494, 14253992, 16035741, 21380988, 28507984, 32071482, 42761976, 64142964, 85523952, 128285928, 256571856]

約数ペア:

[(1, 256571856), (2, 128285928), (3, 85523952), (4, 64142964), (6, 42761976), (8, 32071482), (9, 28507984), (12, 21380988), (16, 16035741), (18, 14253992), (24, 10690494), (36, 7126996), (48, 5345247), (61, 4206096), (72, 3563498), (122, 2103048), (144, 1781749), (183, 1402032), (244, 1051524), (366, 701016), (488, 525762), (549, 467344), (732, 350508), (976, 262881), (1098, 233672), (1464, 175254), (2196, 116836), (2928, 87627), (4392, 58418), (8784, 29209)]