218857561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{4591}}^1$

素因数の和:4816

約数の個数: 16

約数和(自身を含む): 249437440

約数和(自身を除く): 30579879

約数列:

[1, 13, 19, 193, 247, 2509, 3667, 4591, 47671, 59683, 87229, 886063, 1133977, 11518819, 16835197, 218857561]

約数ペア:

[(1, 218857561), (13, 16835197), (19, 11518819), (193, 1133977), (247, 886063), (2509, 87229), (3667, 59683), (4591, 47671)]