28022210

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{21391}}^1$

素因数の和:21529

約数の個数: 16

約数和(自身を含む): 50827392

約数和(自身を除く): 22805182

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 21391, 42782, 106955, 213910, 2802221, 5604442, 14011105, 28022210]

約数ペア:

[(1, 28022210), (2, 14011105), (5, 5604442), (10, 2802221), (131, 213910), (262, 106955), (655, 42782), (1310, 21391)]