123771815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{20509}}^1$

素因数の和:20602

約数の個数: 16

約数和(自身を含む): 159485760

約数和(自身を除く): 35713945

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 20509, 102545, 348653, 1456139, 1743265, 7280695, 24754363, 123771815]

約数ペア:

[(1, 123771815), (5, 24754363), (17, 7280695), (71, 1743265), (85, 1456139), (355, 348653), (1207, 102545), (6035, 20509)]