28405181

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8231}}^1$

素因数の和:8284

約数の個数: 16

約数和(自身を含む): 35562240

約数和(自身を除く): 7157059

約数列:

[1, 7, 17, 29, 119, 203, 493, 3451, 8231, 57617, 139927, 238699, 979489, 1670893, 4057883, 28405181]

約数ペア:

[(1, 28405181), (7, 4057883), (17, 1670893), (29, 979489), (119, 238699), (203, 139927), (493, 57617), (3451, 8231)]