71811292

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18451}}^1$

素因数の和:18601

約数の個数: 24

約数和(自身を含む): 144663680

約数和(自身を除く): 72852388

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 18451, 36902, 73804, 129157, 258314, 516628, 2564689, 5129378, 10258756, 17952823, 35905646, 71811292]

約数ペア:

[(1, 71811292), (2, 35905646), (4, 17952823), (7, 10258756), (14, 5129378), (28, 2564689), (139, 516628), (278, 258314), (556, 129157), (973, 73804), (1946, 36902), (3892, 18451)]