217209358

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{457}}^1\times {\mathrm{2221}}^1$

素因数の和:2787

約数の個数: 16

約数和(自身を含む): 329727024

約数和(自身を除く): 112517666

約数列:

[1, 2, 107, 214, 457, 914, 2221, 4442, 48899, 97798, 237647, 475294, 1014997, 2029994, 108604679, 217209358]

約数ペア:

[(1, 217209358), (2, 108604679), (107, 2029994), (214, 1014997), (457, 475294), (914, 237647), (2221, 97798), (4442, 48899)]