261327755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 348413184

約数和(自身を除く): 87085429

約数列:

[1, 5, 13, 47, 65, 113, 235, 565, 611, 757, 1469, 3055, 3785, 5311, 7345, 9841, 26555, 35579, 49205, 69043, 85541, 177895, 345215, 427705, 462527, 1112033, 2312635, 4020427, 5560165, 20102135, 52265551, 261327755]

約数ペア:

[(1, 261327755), (5, 52265551), (13, 20102135), (47, 5560165), (65, 4020427), (113, 2312635), (235, 1112033), (565, 462527), (611, 427705), (757, 345215), (1469, 177895), (3055, 85541), (3785, 69043), (5311, 49205), (7345, 35579), (9841, 26555)]