28764001

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:193

約数の個数: 32

約数和(自身を含む): 35997696

約数和(自身を除く): 7233695

約数列:

[1, 7, 31, 41, 53, 61, 217, 287, 371, 427, 1271, 1643, 1891, 2173, 2501, 3233, 8897, 11501, 13237, 15211, 17507, 22631, 67363, 77531, 100223, 132553, 471541, 542717, 701561, 927871, 4109143, 28764001]

約数ペア:

[(1, 28764001), (7, 4109143), (31, 927871), (41, 701561), (53, 542717), (61, 471541), (217, 132553), (287, 100223), (371, 77531), (427, 67363), (1271, 22631), (1643, 17507), (1891, 15211), (2173, 13237), (2501, 11501), (3233, 8897)]