253431944

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:534

約数の個数: 64

約数和(自身を含む): 512179200

約数和(自身を除く): 258747256

約数列:

[1, 2, 4, 8, 31, 37, 62, 71, 74, 124, 142, 148, 248, 284, 296, 389, 568, 778, 1147, 1556, 2201, 2294, 2627, 3112, 4402, 4588, 5254, 8804, 9176, 10508, 12059, 14393, 17608, 21016, 24118, 27619, 28786, 48236, 55238, 57572, 81437, 96472, 110476, 115144, 162874, 220952, 325748, 446183, 651496, 856189, 892366, 1021903, 1712378, 1784732, 2043806, 3424756, 3569464, 4087612, 6849512, 8175224, 31678993, 63357986, 126715972, 253431944]

約数ペア:

[(1, 253431944), (2, 126715972), (4, 63357986), (8, 31678993), (31, 8175224), (37, 6849512), (62, 4087612), (71, 3569464), (74, 3424756), (124, 2043806), (142, 1784732), (148, 1712378), (248, 1021903), (284, 892366), (296, 856189), (389, 651496), (568, 446183), (778, 325748), (1147, 220952), (1556, 162874), (2201, 115144), (2294, 110476), (2627, 96472), (3112, 81437), (4402, 57572), (4588, 55238), (5254, 48236), (8804, 28786), (9176, 27619), (10508, 24118), (12059, 21016), (14393, 17608)]