257737872

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{17839}}^1$

素因数の和:17900

約数の個数: 80

約数和(自身を含む): 778680320

約数和(自身を除く): 520942448

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1806, 2064, 2408, 3612, 4816, 7224, 14448, 17839, 35678, 53517, 71356, 107034, 124873, 142712, 214068, 249746, 285424, 374619, 428136, 499492, 749238, 767077, 856272, 998984, 1498476, 1534154, 1997968, 2301231, 2996952, 3068308, 4602462, 5369539, 5993904, 6136616, 9204924, 10739078, 12273232, 16108617, 18409848, 21478156, 32217234, 36819696, 42956312, 64434468, 85912624, 128868936, 257737872]

約数ペア:

[(1, 257737872), (2, 128868936), (3, 85912624), (4, 64434468), (6, 42956312), (7, 36819696), (8, 32217234), (12, 21478156), (14, 18409848), (16, 16108617), (21, 12273232), (24, 10739078), (28, 9204924), (42, 6136616), (43, 5993904), (48, 5369539), (56, 4602462), (84, 3068308), (86, 2996952), (112, 2301231), (129, 1997968), (168, 1534154), (172, 1498476), (258, 998984), (301, 856272), (336, 767077), (344, 749238), (516, 499492), (602, 428136), (688, 374619), (903, 285424), (1032, 249746), (1204, 214068), (1806, 142712), (2064, 124873), (2408, 107034), (3612, 71356), (4816, 53517), (7224, 35678), (14448, 17839)]