218609284

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{769751}}^1$

素因数の和:769826

約数の個数: 12

約数和(自身を含む): 387955008

約数和(自身を除く): 169345724

約数列:

[1, 2, 4, 71, 142, 284, 769751, 1539502, 3079004, 54652321, 109304642, 218609284]

約数ペア:

[(1, 218609284), (2, 109304642), (4, 54652321), (71, 3079004), (142, 1539502), (284, 769751)]