28378495

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{6947}}^1$

素因数の和:7014

約数の個数: 16

約数和(自身を含む): 36685440

約数和(自身を除く): 8306945

約数列:

[1, 5, 19, 43, 95, 215, 817, 4085, 6947, 34735, 131993, 298721, 659965, 1493605, 5675699, 28378495]

約数ペア:

[(1, 28378495), (5, 5675699), (19, 1493605), (43, 659965), (95, 298721), (215, 131993), (817, 34735), (4085, 6947)]