28240345

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{27823}}^1$

素因数の和:27864

約数の個数: 16

約数和(自身を含む): 40066560

約数和(自身を除く): 11826215

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 27823, 139115, 194761, 806867, 973805, 4034335, 5648069, 28240345]

約数ペア:

[(1, 28240345), (5, 5648069), (7, 4034335), (29, 973805), (35, 806867), (145, 194761), (203, 139115), (1015, 27823)]