1330999978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8642857}}^1$

素因数の和:8642877

約数の個数: 16

約数和(自身を含む): 2489143104

約数和(自身を除く): 1158143126

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 8642857, 17285714, 60499999, 95071427, 120999998, 190142854, 665499989, 1330999978]

約数ペア:

[(1, 1330999978), (2, 665499989), (7, 190142854), (11, 120999998), (14, 95071427), (22, 60499999), (77, 17285714), (154, 8642857)]