2439695

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 3139680

約数和(自身を除く): 699985

約数列:

[1, 5, 19, 61, 95, 305, 421, 1159, 2105, 5795, 7999, 25681, 39995, 128405, 487939, 2439695]

約数ペア:

[(1, 2439695), (5, 487939), (19, 128405), (61, 39995), (95, 25681), (305, 7999), (421, 5795), (1159, 2105)]