257881712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^2$

素因数の和:454

約数の個数: 60

約数和(自身を含む): 562626936

約数和(自身を除く): 304745224

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 199, 296, 398, 407, 592, 796, 814, 1592, 1628, 2189, 3184, 3256, 4378, 6512, 7363, 8756, 14726, 17512, 29452, 35024, 39601, 58904, 79202, 80993, 117808, 158404, 161986, 316808, 323972, 435611, 633616, 647944, 871222, 1295888, 1465237, 1742444, 2930474, 3484888, 5860948, 6969776, 11721896, 16117607, 23443792, 32235214, 64470428, 128940856, 257881712]

約数ペア:

[(1, 257881712), (2, 128940856), (4, 64470428), (8, 32235214), (11, 23443792), (16, 16117607), (22, 11721896), (37, 6969776), (44, 5860948), (74, 3484888), (88, 2930474), (148, 1742444), (176, 1465237), (199, 1295888), (296, 871222), (398, 647944), (407, 633616), (592, 435611), (796, 323972), (814, 316808), (1592, 161986), (1628, 158404), (2189, 117808), (3184, 80993), (3256, 79202), (4378, 58904), (6512, 39601), (7363, 35024), (8756, 29452), (14726, 17512)]