521761318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{9871}}^1$

素因数の和:10012

約数の個数: 32

約数和(自身を含む): 895587840

約数和(自身を除く): 373826522

約数列:

[1, 2, 13, 19, 26, 38, 107, 214, 247, 494, 1391, 2033, 2782, 4066, 9871, 19742, 26429, 52858, 128323, 187549, 256646, 375098, 1056197, 2112394, 2438137, 4876274, 13730561, 20067743, 27461122, 40135486, 260880659, 521761318]

約数ペア:

[(1, 521761318), (2, 260880659), (13, 40135486), (19, 27461122), (26, 20067743), (38, 13730561), (107, 4876274), (214, 2438137), (247, 2112394), (494, 1056197), (1391, 375098), (2033, 256646), (2782, 187549), (4066, 128323), (9871, 52858), (19742, 26429)]