212340278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107351}}^1$

素因数の和:107419

約数の個数: 16

約数和(自身を含む): 340091136

約数和(自身を除く): 127750858

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 107351, 214702, 2469073, 4616093, 4938146, 9232186, 106170139, 212340278]

約数ペア:

[(1, 212340278), (2, 106170139), (23, 9232186), (43, 4938146), (46, 4616093), (86, 2469073), (989, 214702), (1978, 107351)]