28690438

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{66107}}^1$

素因数の和:66147

約数の個数: 16

約数和(自身を含む): 50770944

約数和(自身を除く): 22080506

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 66107, 132214, 462749, 925498, 2049317, 4098634, 14345219, 28690438]

約数ペア:

[(1, 28690438), (2, 14345219), (7, 4098634), (14, 2049317), (31, 925498), (62, 462749), (217, 132214), (434, 66107)]