39970931

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 54501888

約数和(自身を除く): 14530957

約数列:

[1, 7, 11, 13, 73, 77, 91, 143, 511, 547, 803, 949, 1001, 3829, 5621, 6017, 6643, 7111, 10439, 39931, 42119, 49777, 73073, 78221, 279517, 439241, 519103, 547547, 3074687, 3633721, 5710133, 39970931]

約数ペア:

[(1, 39970931), (7, 5710133), (11, 3633721), (13, 3074687), (73, 547547), (77, 519103), (91, 439241), (143, 279517), (511, 78221), (547, 73073), (803, 49777), (949, 42119), (1001, 39931), (3829, 10439), (5621, 7111), (6017, 6643)]