51678641

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 60318720

約数和(自身を除く): 8640079

約数列:

[1, 7, 67, 251, 439, 469, 1757, 3073, 16817, 29413, 110189, 117719, 205891, 771323, 7382663, 51678641]

約数ペア:

[(1, 51678641), (7, 7382663), (67, 771323), (251, 205891), (439, 117719), (469, 110189), (1757, 29413), (3073, 16817)]