389635504

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{342989}}^1$

素因数の和:343068

約数の個数: 20

約数和(自身を含む): 765553680

約数和(自身を除く): 375918176

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 342989, 685978, 1371956, 2743912, 5487824, 24352219, 48704438, 97408876, 194817752, 389635504]

約数ペア:

[(1, 389635504), (2, 194817752), (4, 97408876), (8, 48704438), (16, 24352219), (71, 5487824), (142, 2743912), (284, 1371956), (568, 685978), (1136, 342989)]