261570306

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{2957}}^1$

素因数の和:3626

約数の個数: 32

約数和(自身を含む): 546922368

約数和(自身を除く): 285352062

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 641, 1282, 1923, 2957, 3846, 5914, 8871, 14743, 17742, 29486, 44229, 68011, 88458, 136022, 204033, 408066, 1895437, 3790874, 5686311, 11372622, 43595051, 87190102, 130785153, 261570306]

約数ペア:

[(1, 261570306), (2, 130785153), (3, 87190102), (6, 43595051), (23, 11372622), (46, 5686311), (69, 3790874), (138, 1895437), (641, 408066), (1282, 204033), (1923, 136022), (2957, 88458), (3846, 68011), (5914, 44229), (8871, 29486), (14743, 17742)]