9963998

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6379}}^1$

素因数の和:6463

約数の個数: 16

約数和(自身を含む): 16536960

約数和(自身を除く): 6572962

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 6379, 12758, 70169, 140338, 452909, 905818, 4981999, 9963998]

約数ペア:

[(1, 9963998), (2, 4981999), (11, 905818), (22, 452909), (71, 140338), (142, 70169), (781, 12758), (1562, 6379)]