81145904

素因数分解:

$2^4\times 7^1\times {\mathrm{724517}}^1$

素因数の和:724532

約数の個数: 20

約数和(自身を含む): 179680464

約数和(自身を除く): 98534560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724517, 1449034, 2898068, 5071619, 5796136, 10143238, 11592272, 20286476, 40572952, 81145904]

約数ペア:

[(1, 81145904), (2, 40572952), (4, 20286476), (7, 11592272), (8, 10143238), (14, 5796136), (16, 5071619), (28, 2898068), (56, 1449034), (112, 724517)]