2129121575

素因数分解:

$5^2\times 7^1\times {\mathrm{823}}^1\times {\mathrm{14783}}^1$

素因数の和:15623

約数の個数: 24

約数和(自身を含む): 3021139968

約数和(自身を除く): 892018393

約数列:

[1, 5, 7, 25, 35, 175, 823, 4115, 5761, 14783, 20575, 28805, 73915, 103481, 144025, 369575, 517405, 2587025, 12166409, 60832045, 85164863, 304160225, 425824315, 2129121575]

約数ペア:

[(1, 2129121575), (5, 425824315), (7, 304160225), (25, 85164863), (35, 60832045), (175, 12166409), (823, 2587025), (4115, 517405), (5761, 369575), (14783, 144025), (20575, 103481), (28805, 73915)]