219207989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{218989}}^1$

素因数の和:219020

約数の個数: 16

約数和(自身を含む): 294322560

約数和(自身を除く): 75114571

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 218989, 1532923, 2408879, 2846857, 16862153, 19927999, 31315427, 219207989]

約数ペア:

[(1, 219207989), (7, 31315427), (11, 19927999), (13, 16862153), (77, 2846857), (91, 2408879), (143, 1532923), (1001, 218989)]