78945545

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 113702400

約数和(自身を除く): 34756855

約数列:

[1, 5, 7, 23, 35, 115, 161, 281, 349, 805, 1405, 1745, 1967, 2443, 6463, 8027, 9835, 12215, 32315, 40135, 45241, 56189, 98069, 226205, 280945, 490345, 686483, 2255587, 3432415, 11277935, 15789109, 78945545]

約数ペア:

[(1, 78945545), (5, 15789109), (7, 11277935), (23, 3432415), (35, 2255587), (115, 686483), (161, 490345), (281, 280945), (349, 226205), (805, 98069), (1405, 56189), (1745, 45241), (1967, 40135), (2443, 32315), (6463, 12215), (8027, 9835)]