208982891

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{881}}^1$

素因数の和:1222

約数の個数: 16

約数和(自身を含む): 229376448

約数和(自身を除く): 20393557

約数列:

[1, 13, 71, 257, 881, 923, 3341, 11453, 18247, 62551, 226417, 237211, 813163, 2943421, 16075607, 208982891]

約数ペア:

[(1, 208982891), (13, 16075607), (71, 2943421), (257, 813163), (881, 237211), (923, 226417), (3341, 62551), (11453, 18247)]