211936207

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 257900544

約数和(自身を除く): 45964337

約数列:

[1, 7, 43, 47, 71, 211, 301, 329, 497, 1477, 2021, 3053, 3337, 9073, 9917, 14147, 14981, 21371, 23359, 63511, 69419, 104867, 143491, 426431, 644183, 704107, 1004437, 2985017, 4509281, 4928749, 30276601, 211936207]

約数ペア:

[(1, 211936207), (7, 30276601), (43, 4928749), (47, 4509281), (71, 2985017), (211, 1004437), (301, 704107), (329, 644183), (497, 426431), (1477, 143491), (2021, 104867), (3053, 69419), (3337, 63511), (9073, 23359), (9917, 21371), (14147, 14981)]