1990643344

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{392477}}^1$

素因数の和:392802

約数の個数: 20

約数和(自身を含む): 3869048124

約数和(自身を除く): 1878404780

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 5072, 392477, 784954, 1569908, 3139816, 6279632, 124415209, 248830418, 497660836, 995321672, 1990643344]

約数ペア:

[(1, 1990643344), (2, 995321672), (4, 497660836), (8, 248830418), (16, 124415209), (317, 6279632), (634, 3139816), (1268, 1569908), (2536, 784954), (5072, 392477)]