19960913

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{311}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 23452416

約数和(自身を除く): 3491503

約数列:

[1, 7, 53, 173, 311, 371, 1211, 2177, 9169, 16483, 53803, 64183, 115381, 376621, 2851559, 19960913]

約数ペア:

[(1, 19960913), (7, 2851559), (53, 376621), (173, 115381), (311, 64183), (371, 53803), (1211, 16483), (2177, 9169)]