825000001

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1\times {\mathrm{2423}}^1$

素因数の和:2940

約数の個数: 16

約数和(自身を含む): 953155584

約数和(自身を除く): 128155583

約数列:

[1, 7, 127, 383, 889, 2423, 2681, 16961, 48641, 307721, 340487, 928009, 2154047, 6496063, 117857143, 825000001]

約数ペア:

[(1, 825000001), (7, 117857143), (127, 6496063), (383, 2154047), (889, 928009), (2423, 340487), (2681, 307721), (16961, 48641)]