1278889468

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{72221}}^1$

素因数の和:72477

約数の個数: 24

約数和(自身を含む): 2365992720

約数和(自身を除く): 1087103252

約数列:

[1, 2, 4, 19, 38, 76, 233, 466, 932, 4427, 8854, 17708, 72221, 144442, 288884, 1372199, 2744398, 5488796, 16827493, 33654986, 67309972, 319722367, 639444734, 1278889468]

約数ペア:

[(1, 1278889468), (2, 639444734), (4, 319722367), (19, 67309972), (38, 33654986), (76, 16827493), (233, 5488796), (466, 2744398), (932, 1372199), (4427, 288884), (8854, 144442), (17708, 72221)]