128340961

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{2803}}^1$

素因数の和:3052

約数の個数: 16

約数和(自身を含む): 152178688

約数和(自身を除く): 23837727

約数列:

[1, 7, 31, 211, 217, 1477, 2803, 6541, 19621, 45787, 86893, 591433, 608251, 4140031, 18334423, 128340961]

約数ペア:

[(1, 128340961), (7, 18334423), (31, 4140031), (211, 608251), (217, 591433), (1477, 86893), (2803, 45787), (6541, 19621)]