644016945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{2657}}^1$

素因数の和:2802

約数の個数: 64

約数和(自身を含む): 1221744384

約数和(自身を除く): 577727439

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 113, 143, 165, 195, 339, 429, 565, 715, 1243, 1469, 1695, 2145, 2657, 3729, 4407, 6215, 7345, 7971, 13285, 16159, 18645, 22035, 29227, 34541, 39855, 48477, 80795, 87681, 103623, 146135, 172705, 242385, 300241, 379951, 438405, 518115, 900723, 1139853, 1501205, 1899755, 3302651, 3903133, 4503615, 5699265, 9907953, 11709399, 16513255, 19515665, 42934463, 49539765, 58546995, 128803389, 214672315, 644016945]

約数ペア:

[(1, 644016945), (3, 214672315), (5, 128803389), (11, 58546995), (13, 49539765), (15, 42934463), (33, 19515665), (39, 16513255), (55, 11709399), (65, 9907953), (113, 5699265), (143, 4503615), (165, 3903133), (195, 3302651), (339, 1899755), (429, 1501205), (565, 1139853), (715, 900723), (1243, 518115), (1469, 438405), (1695, 379951), (2145, 300241), (2657, 242385), (3729, 172705), (4407, 146135), (6215, 103623), (7345, 87681), (7971, 80795), (13285, 48477), (16159, 39855), (18645, 34541), (22035, 29227)]