210819917

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{32987}}^1$

素因数の和:33088

約数の個数: 16

約数和(自身を含む): 266015232

約数和(自身を除く): 55195315

約数列:

[1, 7, 11, 77, 83, 581, 913, 6391, 32987, 230909, 362857, 2539999, 2737921, 19165447, 30117131, 210819917]

約数ペア:

[(1, 210819917), (7, 30117131), (11, 19165447), (77, 2737921), (83, 2539999), (581, 362857), (913, 230909), (6391, 32987)]