129807772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{4057}}^1$

素因数の和:4501

約数の個数: 24

約数和(自身を含む): 239746640

約数和(自身を除く): 109938868

約数列:

[1, 2, 4, 19, 38, 76, 421, 842, 1684, 4057, 7999, 8114, 15998, 16228, 31996, 77083, 154166, 308332, 1707997, 3415994, 6831988, 32451943, 64903886, 129807772]

約数ペア:

[(1, 129807772), (2, 64903886), (4, 32451943), (19, 6831988), (38, 3415994), (76, 1707997), (421, 308332), (842, 154166), (1684, 77083), (4057, 31996), (7999, 16228), (8114, 15998)]