28905954

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 78796800

約数和(自身を除く): 49890846

約数列:

[1, 2, 3, 6, 7, 11, 14, 19, 21, 22, 33, 37, 38, 42, 57, 66, 74, 77, 89, 111, 114, 133, 154, 178, 209, 222, 231, 259, 266, 267, 399, 407, 418, 462, 518, 534, 623, 627, 703, 777, 798, 814, 979, 1221, 1246, 1254, 1406, 1463, 1554, 1691, 1869, 1958, 2109, 2442, 2849, 2926, 2937, 3293, 3382, 3738, 4218, 4389, 4921, 5073, 5698, 5874, 6586, 6853, 7733, 8547, 8778, 9842, 9879, 10146, 11837, 13706, 14763, 15466, 17094, 18601, 19758, 20559, 23051, 23199, 23674, 29526, 35511, 36223, 37202, 41118, 46102, 46398, 54131, 55803, 62567, 69153, 71022, 72446, 108262, 108669, 111606, 125134, 130207, 138306, 162393, 187701, 217338, 253561, 260414, 324786, 375402, 390621, 437969, 507122, 688237, 760683, 781242, 875938, 1313907, 1376474, 1521366, 2064711, 2627814, 4129422, 4817659, 9635318, 14452977, 28905954]

約数ペア:

[(1, 28905954), (2, 14452977), (3, 9635318), (6, 4817659), (7, 4129422), (11, 2627814), (14, 2064711), (19, 1521366), (21, 1376474), (22, 1313907), (33, 875938), (37, 781242), (38, 760683), (42, 688237), (57, 507122), (66, 437969), (74, 390621), (77, 375402), (89, 324786), (111, 260414), (114, 253561), (133, 217338), (154, 187701), (178, 162393), (209, 138306), (222, 130207), (231, 125134), (259, 111606), (266, 108669), (267, 108262), (399, 72446), (407, 71022), (418, 69153), (462, 62567), (518, 55803), (534, 54131), (623, 46398), (627, 46102), (703, 41118), (777, 37202), (798, 36223), (814, 35511), (979, 29526), (1221, 23674), (1246, 23199), (1254, 23051), (1406, 20559), (1463, 19758), (1554, 18601), (1691, 17094), (1869, 15466), (1958, 14763), (2109, 13706), (2442, 11837), (2849, 10146), (2926, 9879), (2937, 9842), (3293, 8778), (3382, 8547), (3738, 7733), (4218, 6853), (4389, 6586), (4921, 5874), (5073, 5698)]