1915377985

素因数分解:

$5^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1\times {\mathrm{3203}}^1$

素因数の和:4008

約数の個数: 16

約数和(自身を含む): 2314569600

約数和(自身を除く): 399191615

約数列:

[1, 5, 199, 601, 995, 3005, 3203, 16015, 119599, 597995, 637397, 1925003, 3186985, 9625015, 383075597, 1915377985]

約数ペア:

[(1, 1915377985), (5, 383075597), (199, 9625015), (601, 3186985), (995, 1925003), (3005, 637397), (3203, 597995), (16015, 119599)]