11721857

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{719}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 14307840

約数和(自身を除く): 2585983

約数列:

[1, 7, 17, 119, 137, 719, 959, 2329, 5033, 12223, 16303, 85561, 98503, 689521, 1674551, 11721857]

約数ペア:

[(1, 11721857), (7, 1674551), (17, 689521), (119, 98503), (137, 85561), (719, 16303), (959, 12223), (2329, 5033)]