87121972

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{12107}}^1$

素因数の和:12375

約数の個数: 24

約数和(自身を含む): 174936384

約数和(自身を除く): 87814412

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 12107, 24214, 48428, 84749, 169498, 338996, 3111499, 6222998, 12445996, 21780493, 43560986, 87121972]

約数ペア:

[(1, 87121972), (2, 43560986), (4, 21780493), (7, 12445996), (14, 6222998), (28, 3111499), (257, 338996), (514, 169498), (1028, 84749), (1799, 48428), (3598, 24214), (7196, 12107)]