28914977

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18691}}^1$

素因数の和:18728

約数の個数: 16

約数和(自身を含む): 37683072

約数和(自身を除く): 8768095

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 18691, 130837, 242983, 317747, 1700881, 2224229, 4130711, 28914977]

約数ペア:

[(1, 28914977), (7, 4130711), (13, 2224229), (17, 1700881), (91, 317747), (119, 242983), (221, 130837), (1547, 18691)]