28080038

素因数分解:

$2^1\times 7^3\times {\mathrm{40933}}^1$

素因数の和:40956

約数の個数: 16

約数和(自身を含む): 49120800

約数和(自身を除く): 21040762

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 40933, 81866, 286531, 573062, 2005717, 4011434, 14040019, 28080038]

約数ペア:

[(1, 28080038), (2, 14040019), (7, 4011434), (14, 2005717), (49, 573062), (98, 286531), (343, 81866), (686, 40933)]