16868257

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2393}}^1$

素因数の和:2472

約数の個数: 16

約数和(自身を含む): 20684160

約数和(自身を除く): 3815903

約数列:

[1, 7, 19, 53, 133, 371, 1007, 2393, 7049, 16751, 45467, 126829, 318269, 887803, 2409751, 16868257]

約数ペア:

[(1, 16868257), (7, 2409751), (19, 887803), (53, 318269), (133, 126829), (371, 45467), (1007, 16751), (2393, 7049)]