28319921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{2287}}^1$

素因数の和:2384

約数の個数: 16

約数和(自身を含む): 34045440

約数和(自身を除く): 5725519

約数列:

[1, 7, 29, 61, 203, 427, 1769, 2287, 12383, 16009, 66323, 139507, 464261, 976549, 4045703, 28319921]

約数ペア:

[(1, 28319921), (7, 4045703), (29, 976549), (61, 464261), (203, 139507), (427, 66323), (1769, 16009), (2287, 12383)]