81688892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{498103}}^1$

素因数の和:498148

約数の個数: 12

約数和(自身を含む): 146442576

約数和(自身を除く): 64753684

約数列:

[1, 2, 4, 41, 82, 164, 498103, 996206, 1992412, 20422223, 40844446, 81688892]

約数ペア:

[(1, 81688892), (2, 40844446), (4, 20422223), (41, 1992412), (82, 996206), (164, 498103)]