2891489909

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{194569}}^1$

素因数の和:194780

約数の個数: 16

約数和(自身を含む): 3623671680

約数和(自身を除く): 732181771

約数列:

[1, 7, 11, 77, 193, 1351, 2123, 14861, 194569, 1361983, 2140259, 14981813, 37551817, 262862719, 413069987, 2891489909]

約数ペア:

[(1, 2891489909), (7, 413069987), (11, 262862719), (77, 37551817), (193, 14981813), (1351, 2140259), (2123, 1361983), (14861, 194569)]