217810946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{64403}}^1$

素因数の和:64513

約数の個数: 16

約数和(自身を含む): 347781600

約数和(自身を除く): 129970654

約数列:

[1, 2, 19, 38, 89, 178, 1691, 3382, 64403, 128806, 1223657, 2447314, 5731867, 11463734, 108905473, 217810946]

約数ペア:

[(1, 217810946), (2, 108905473), (19, 11463734), (38, 5731867), (89, 2447314), (178, 1223657), (1691, 128806), (3382, 64403)]