128091980270

素因数分解:

$2^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{29719717}}^1$

素因数の和:29720155

約数の個数: 16

約数和(自身を含む): 231100527168

約数和(自身を除く): 103008546898

約数列:

[1, 2, 5, 10, 431, 862, 2155, 4310, 29719717, 59439434, 148598585, 297197170, 12809198027, 25618396054, 64045990135, 128091980270]

約数ペア:

[(1, 128091980270), (2, 64045990135), (5, 25618396054), (10, 12809198027), (431, 297197170), (862, 148598585), (2155, 59439434), (4310, 29719717)]