206880256

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:475

約数の個数: 80

約数和(自身を含む): 456421680

約数和(自身を除く): 249541424

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 109, 128, 176, 218, 256, 337, 352, 436, 512, 674, 704, 872, 1199, 1348, 1408, 1744, 2398, 2696, 2816, 3488, 3707, 4796, 5392, 5632, 6976, 7414, 9592, 10784, 13952, 14828, 19184, 21568, 27904, 29656, 36733, 38368, 43136, 55808, 59312, 73466, 76736, 86272, 118624, 146932, 153472, 172544, 237248, 293864, 306944, 404063, 474496, 587728, 613888, 808126, 948992, 1175456, 1616252, 1897984, 2350912, 3232504, 4701824, 6465008, 9403648, 12930016, 18807296, 25860032, 51720064, 103440128, 206880256]

約数ペア:

[(1, 206880256), (2, 103440128), (4, 51720064), (8, 25860032), (11, 18807296), (16, 12930016), (22, 9403648), (32, 6465008), (44, 4701824), (64, 3232504), (88, 2350912), (109, 1897984), (128, 1616252), (176, 1175456), (218, 948992), (256, 808126), (337, 613888), (352, 587728), (436, 474496), (512, 404063), (674, 306944), (704, 293864), (872, 237248), (1199, 172544), (1348, 153472), (1408, 146932), (1744, 118624), (2398, 86272), (2696, 76736), (2816, 73466), (3488, 59312), (3707, 55808), (4796, 43136), (5392, 38368), (5632, 36733), (6976, 29656), (7414, 27904), (9592, 21568), (10784, 19184), (13952, 14828)]