42865405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{811}}^1$

素因数の和:889

約数の個数: 24

約数和(自身を含む): 58054752

約数和(自身を除く): 15189347

約数列:

[1, 5, 11, 31, 55, 155, 341, 811, 961, 1705, 4055, 4805, 8921, 10571, 25141, 44605, 52855, 125705, 276551, 779371, 1382755, 3896855, 8573081, 42865405]

約数ペア:

[(1, 42865405), (5, 8573081), (11, 3896855), (31, 1382755), (55, 779371), (155, 276551), (341, 125705), (811, 52855), (961, 44605), (1705, 25141), (4055, 10571), (4805, 8921)]