128429189

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{6947}}^1$

素因数の和:7112

約数の個数: 16

約数和(自身を含む): 155635200

約数和(自身を除く): 27206011

約数列:

[1, 7, 19, 133, 139, 973, 2641, 6947, 18487, 48629, 131993, 923951, 965633, 6759431, 18347027, 128429189]

約数ペア:

[(1, 128429189), (7, 18347027), (19, 6759431), (133, 965633), (139, 923951), (973, 131993), (2641, 48629), (6947, 18487)]