1330221998

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1557637}}^1$

素因数の和:1557707

約数の個数: 16

約数和(自身を含む): 2317765344

約数和(自身を除く): 987543346

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1557637, 3115274, 10903459, 21806918, 95015857, 190031714, 665110999, 1330221998]

約数ペア:

[(1, 1330221998), (2, 665110999), (7, 190031714), (14, 95015857), (61, 21806918), (122, 10903459), (427, 3115274), (854, 1557637)]