28586089

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 24

約数和(自身を含む): 35568960

約数和(自身を除く): 6982871

約数列:

[1, 7, 19, 37, 133, 157, 259, 703, 1099, 1369, 2983, 4921, 5809, 9583, 20881, 26011, 40663, 110371, 182077, 214933, 772597, 1504531, 4083727, 28586089]

約数ペア:

[(1, 28586089), (7, 4083727), (19, 1504531), (37, 772597), (133, 214933), (157, 182077), (259, 110371), (703, 40663), (1099, 26011), (1369, 20881), (2983, 9583), (4921, 5809)]