17428187

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2221}}^1$

素因数の和:2306

約数の個数: 16

約数和(自身を含む): 21331200

約数和(自身を除く): 3903013

約数列:

[1, 7, 19, 59, 133, 413, 1121, 2221, 7847, 15547, 42199, 131039, 295393, 917273, 2489741, 17428187]

約数ペア:

[(1, 17428187), (7, 2489741), (19, 917273), (59, 295393), (133, 131039), (413, 42199), (1121, 15547), (2221, 7847)]