28198121

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8171}}^1$

素因数の和:8224

約数の個数: 16

約数和(自身を含む): 35303040

約数和(自身を除く): 7104919

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 8171, 57197, 138907, 236959, 972349, 1658713, 4028303, 28198121]

約数ペア:

[(1, 28198121), (7, 4028303), (17, 1658713), (29, 972349), (119, 236959), (203, 138907), (493, 57197), (3451, 8171)]