9720965

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 11975040

約数和(自身を除く): 2254075

約数列:

[1, 5, 71, 139, 197, 355, 695, 985, 9869, 13987, 27383, 49345, 69935, 136915, 1944193, 9720965]

約数ペア:

[(1, 9720965), (5, 1944193), (71, 136915), (139, 69935), (197, 49345), (355, 27383), (695, 13987), (985, 9869)]