16280425

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3001}}^1$

素因数の和:3049

約数の個数: 24

約数和(自身を含む): 23823872

約数和(自身を除く): 7543447

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 3001, 5425, 15005, 21007, 75025, 93031, 105035, 465155, 525175, 651217, 2325775, 3256085, 16280425]

約数ペア:

[(1, 16280425), (5, 3256085), (7, 2325775), (25, 651217), (31, 525175), (35, 465155), (155, 105035), (175, 93031), (217, 75025), (775, 21007), (1085, 15005), (3001, 5425)]