128889754

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{296981}}^1$

素因数の和:297021

約数の個数: 16

約数和(自身を含む): 228082176

約数和(自身を除く): 99192422

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 296981, 593962, 2078867, 4157734, 9206411, 18412822, 64444877, 128889754]

約数ペア:

[(1, 128889754), (2, 64444877), (7, 18412822), (14, 9206411), (31, 4157734), (62, 2078867), (217, 593962), (434, 296981)]