1285321705

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1\times {\mathrm{6521}}^1$

素因数の和:7104

約数の個数: 16

約数和(自身を含む): 1565280000

約数和(自身を除く): 279958295

約数列:

[1, 5, 79, 395, 499, 2495, 6521, 32605, 39421, 197105, 515159, 2575795, 3253979, 16269895, 257064341, 1285321705]

約数ペア:

[(1, 1285321705), (5, 257064341), (79, 16269895), (395, 3253979), (499, 2575795), (2495, 515159), (6521, 197105), (32605, 39421)]