991345439

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1\times {\mathrm{2243}}^1$

素因数の和:2966

約数の個数: 16

約数和(自身を含む): 1146342912

約数和(自身を除く): 154997473

約数列:

[1, 7, 103, 613, 721, 2243, 4291, 15701, 63139, 231029, 441973, 1374959, 1617203, 9624713, 141620777, 991345439]

約数ペア:

[(1, 991345439), (7, 141620777), (103, 9624713), (613, 1617203), (721, 1374959), (2243, 441973), (4291, 231029), (15701, 63139)]