42878095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 61316640

約数和(自身を除く): 18438545

約数列:

[1, 5, 13, 23, 29, 43, 65, 115, 145, 215, 299, 377, 529, 559, 667, 989, 1247, 1495, 1885, 2645, 2795, 3335, 4945, 6235, 6877, 8671, 12857, 15341, 16211, 22747, 28681, 34385, 43355, 64285, 76705, 81055, 113735, 143405, 199433, 295711, 372853, 659663, 997165, 1478555, 1864265, 3298315, 8575619, 42878095]

約数ペア:

[(1, 42878095), (5, 8575619), (13, 3298315), (23, 1864265), (29, 1478555), (43, 997165), (65, 659663), (115, 372853), (145, 295711), (215, 199433), (299, 143405), (377, 113735), (529, 81055), (559, 76705), (667, 64285), (989, 43355), (1247, 34385), (1495, 28681), (1885, 22747), (2645, 16211), (2795, 15341), (3335, 12857), (4945, 8671), (6235, 6877)]