388501906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{317923}}^1$

素因数の和:317985

約数の個数: 16

約数和(自身を含む): 640934784

約数和(自身を除く): 252432878

約数列:

[1, 2, 13, 26, 47, 94, 611, 1222, 317923, 635846, 4132999, 8265998, 14942381, 29884762, 194250953, 388501906]

約数ペア:

[(1, 388501906), (2, 194250953), (13, 29884762), (26, 14942381), (47, 8265998), (94, 4132999), (611, 635846), (1222, 317923)]