1296756785

素因数分解:

$5^1\times {\mathrm{389}}^1\times {\mathrm{653}}^1\times {\mathrm{1021}}^1$

素因数の和:2068

約数の個数: 16

約数和(自身を含む): 1564027920

約数和(自身を除く): 267271135

約数列:

[1, 5, 389, 653, 1021, 1945, 3265, 5105, 254017, 397169, 666713, 1270085, 1985845, 3333565, 259351357, 1296756785]

約数ペア:

[(1, 1296756785), (5, 259351357), (389, 3333565), (653, 1985845), (1021, 1270085), (1945, 666713), (3265, 397169), (5105, 254017)]