256393335

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{8681}}^1$

素因数の和:8879

約数の個数: 32

約数和(自身を含む): 450074880

約数和(自身を除く): 193681545

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 179, 537, 895, 1969, 2685, 5907, 8681, 9845, 26043, 29535, 43405, 95491, 130215, 286473, 477455, 1432365, 1553899, 4661697, 7769495, 17092889, 23308485, 51278667, 85464445, 256393335]

約数ペア:

[(1, 256393335), (3, 85464445), (5, 51278667), (11, 23308485), (15, 17092889), (33, 7769495), (55, 4661697), (165, 1553899), (179, 1432365), (537, 477455), (895, 286473), (1969, 130215), (2685, 95491), (5907, 43405), (8681, 29535), (9845, 26043)]