261124787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{347}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 338757120

約数和(自身を除く): 77632333

約数列:

[1, 7, 11, 29, 77, 203, 319, 337, 347, 2233, 2359, 2429, 3707, 3817, 9773, 10063, 25949, 26719, 68411, 70441, 107503, 110693, 116939, 752521, 774851, 818573, 1286329, 3391231, 9004303, 23738617, 37303541, 261124787]

約数ペア:

[(1, 261124787), (7, 37303541), (11, 23738617), (29, 9004303), (77, 3391231), (203, 1286329), (319, 818573), (337, 774851), (347, 752521), (2233, 116939), (2359, 110693), (2429, 107503), (3707, 70441), (3817, 68411), (9773, 26719), (10063, 25949)]