72784292

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{18701}}^1$

素因数の和:18851

約数の個数: 24

約数和(自身を含む): 146623680

約数和(自身を除く): 73839388

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 18701, 37402, 74804, 130907, 261814, 523628, 2599439, 5198878, 10397756, 18196073, 36392146, 72784292]

約数ペア:

[(1, 72784292), (2, 36392146), (4, 18196073), (7, 10397756), (14, 5198878), (28, 2599439), (139, 523628), (278, 261814), (556, 130907), (973, 74804), (1946, 37402), (3892, 18701)]