1311317

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:188

約数の個数: 16

約数和(自身を含む): 1583232

約数和(自身を除く): 271915

約数列:

[1, 7, 37, 61, 83, 259, 427, 581, 2257, 3071, 5063, 15799, 21497, 35441, 187331, 1311317]

約数ペア:

[(1, 1311317), (7, 187331), (37, 35441), (61, 21497), (83, 15799), (259, 5063), (427, 3071), (581, 2257)]