161494216874

素因数分解:

$2^1\times {\mathrm{409}}^1\times {\mathrm{4937}}^1\times {\mathrm{39989}}^1$

素因数の和:45337

約数の個数: 16

約数和(自身を含む): 242888862600

約数和(自身を除く): 81394645726

約数列:

[1, 2, 409, 818, 4937, 9874, 39989, 79978, 2019233, 4038466, 16355501, 32711002, 197425693, 394851386, 80747108437, 161494216874]

約数ペア:

[(1, 161494216874), (2, 80747108437), (409, 394851386), (818, 197425693), (4937, 32711002), (9874, 16355501), (39989, 4038466), (79978, 2019233)]