64265655

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1259}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 106686720

約数和(自身を除く): 42421065

約数列:

[1, 3, 5, 15, 41, 83, 123, 205, 249, 415, 615, 1245, 1259, 3403, 3777, 6295, 10209, 17015, 18885, 51045, 51619, 104497, 154857, 258095, 313491, 522485, 774285, 1567455, 4284377, 12853131, 21421885, 64265655]

約数ペア:

[(1, 64265655), (3, 21421885), (5, 12853131), (15, 4284377), (41, 1567455), (83, 774285), (123, 522485), (205, 313491), (249, 258095), (415, 154857), (615, 104497), (1245, 51619), (1259, 51045), (3403, 18885), (3777, 17015), (6295, 10209)]