1639344530

素因数分解:

$2^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{439}}^1\times {\mathrm{887}}^1$

素因数の和:1754

約数の個数: 32

約数和(自身を含む): 2967909120

約数和(自身を除く): 1328564590

約数列:

[1, 2, 5, 10, 421, 439, 842, 878, 887, 1774, 2105, 2195, 4210, 4390, 4435, 8870, 184819, 369638, 373427, 389393, 746854, 778786, 924095, 1848190, 1867135, 1946965, 3734270, 3893930, 163934453, 327868906, 819672265, 1639344530]

約数ペア:

[(1, 1639344530), (2, 819672265), (5, 327868906), (10, 163934453), (421, 3893930), (439, 3734270), (842, 1946965), (878, 1867135), (887, 1848190), (1774, 924095), (2105, 778786), (2195, 746854), (4210, 389393), (4390, 373427), (4435, 369638), (8870, 184819)]