28236428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1307}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 54057024

約数和(自身を除く): 25820596

約数列:

[1, 2, 4, 11, 22, 44, 491, 982, 1307, 1964, 2614, 5228, 5401, 10802, 14377, 21604, 28754, 57508, 641737, 1283474, 2566948, 7059107, 14118214, 28236428]

約数ペア:

[(1, 28236428), (2, 14118214), (4, 7059107), (11, 2566948), (22, 1283474), (44, 641737), (491, 57508), (982, 28754), (1307, 21604), (1964, 14377), (2614, 10802), (5228, 5401)]