28251797

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{463}}^1$

素因数の和:872

約数の個数: 16

約数和(自身を含む): 33853440

約数和(自身を除く): 5601643

約数列:

[1, 7, 23, 161, 379, 463, 2653, 3241, 8717, 10649, 61019, 74543, 175477, 1228339, 4035971, 28251797]

約数ペア:

[(1, 28251797), (7, 4035971), (23, 1228339), (161, 175477), (379, 74543), (463, 61019), (2653, 10649), (3241, 8717)]