25221417

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{337}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 38613120

約数和(自身を除く): 13391703

約数列:

[1, 3, 13, 19, 39, 57, 101, 247, 303, 337, 741, 1011, 1313, 1919, 3939, 4381, 5757, 6403, 13143, 19209, 24947, 34037, 74841, 83239, 102111, 249717, 442481, 646703, 1327443, 1940109, 8407139, 25221417]

約数ペア:

[(1, 25221417), (3, 8407139), (13, 1940109), (19, 1327443), (39, 646703), (57, 442481), (101, 249717), (247, 102111), (303, 83239), (337, 74841), (741, 34037), (1011, 24947), (1313, 19209), (1919, 13143), (3939, 6403), (4381, 5757)]