81739912

素因数分解:

$2^3\times {\mathrm{239}}^1\times {\mathrm{42751}}^1$

素因数の和:42996

約数の個数: 16

約数和(自身を含む): 153907200

約数和(自身を除く): 72167288

約数列:

[1, 2, 4, 8, 239, 478, 956, 1912, 42751, 85502, 171004, 342008, 10217489, 20434978, 40869956, 81739912]

約数ペア:

[(1, 81739912), (2, 40869956), (4, 20434978), (8, 10217489), (239, 342008), (478, 171004), (956, 85502), (1912, 42751)]