28203868

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{91571}}^1$

素因数の和:91593

約数の個数: 24

約数和(自身を含む): 61536384

約数和(自身を除く): 33332516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 91571, 183142, 366284, 640997, 1007281, 1281994, 2014562, 2563988, 4029124, 7050967, 14101934, 28203868]

約数ペア:

[(1, 28203868), (2, 14101934), (4, 7050967), (7, 4029124), (11, 2563988), (14, 2014562), (22, 1281994), (28, 1007281), (44, 640997), (77, 366284), (154, 183142), (308, 91571)]