8990261

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 10803840

約数和(自身を除く): 1813579

約数列:

[1, 7, 29, 67, 203, 469, 661, 1943, 4627, 13601, 19169, 44287, 134183, 310009, 1284323, 8990261]

約数ペア:

[(1, 8990261), (7, 1284323), (29, 310009), (67, 134183), (203, 44287), (469, 19169), (661, 13601), (1943, 4627)]