38905405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 58705920

約数和(自身を除く): 19800515

約数列:

[1, 5, 7, 11, 35, 55, 77, 139, 385, 695, 727, 973, 1529, 3635, 4865, 5089, 7645, 7997, 10703, 25445, 39985, 53515, 55979, 101053, 279895, 505265, 707371, 1111583, 3536855, 5557915, 7781081, 38905405]

約数ペア:

[(1, 38905405), (5, 7781081), (7, 5557915), (11, 3536855), (35, 1111583), (55, 707371), (77, 505265), (139, 279895), (385, 101053), (695, 55979), (727, 53515), (973, 39985), (1529, 25445), (3635, 10703), (4865, 7997), (5089, 7645)]