338590987

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{3617}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 397343232

約数和(自身を除く): 58752245

約数列:

[1, 7, 43, 301, 311, 2177, 3617, 13373, 25319, 93611, 155531, 1088717, 1124887, 7874209, 48370141, 338590987]

約数ペア:

[(1, 338590987), (7, 48370141), (43, 7874209), (301, 1124887), (311, 1088717), (2177, 155531), (3617, 93611), (13373, 25319)]