28540925

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5261}}^1$

素因数の和:5309

約数の個数: 24

約数和(自身を含む): 41759232

約数和(自身を除く): 13218307

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 5261, 5425, 26305, 36827, 131525, 163091, 184135, 815455, 920675, 1141637, 4077275, 5708185, 28540925]

約数ペア:

[(1, 28540925), (5, 5708185), (7, 4077275), (25, 1141637), (31, 920675), (35, 815455), (155, 184135), (175, 163091), (217, 131525), (775, 36827), (1085, 26305), (5261, 5425)]