209734

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:291

約数の個数: 16

約数和(自身を含む): 366336

約数和(自身を除く): 156602

約数列:

[1, 2, 7, 14, 71, 142, 211, 422, 497, 994, 1477, 2954, 14981, 29962, 104867, 209734]

約数ペア:

[(1, 209734), (2, 104867), (7, 29962), (14, 14981), (71, 2954), (142, 1477), (211, 994), (422, 497)]