28184425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:969

約数の個数: 24

約数和(自身を含む): 36997632

約数和(自身を除く): 8813207

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 887, 1025, 1271, 4435, 6355, 22175, 27497, 31775, 36367, 137485, 181835, 687425, 909175, 1127377, 5636885, 28184425]

約数ペア:

[(1, 28184425), (5, 5636885), (25, 1127377), (31, 909175), (41, 687425), (155, 181835), (205, 137485), (775, 36367), (887, 31775), (1025, 27497), (1271, 22175), (4435, 6355)]