161757148

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{18457}}^1$

素因数の和:18781

約数の個数: 24

約数和(自身を含む): 324565472

約数和(自身を除く): 162808324

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 8764, 18457, 36914, 73828, 129199, 258398, 516796, 5777041, 11554082, 23108164, 40439287, 80878574, 161757148]

約数ペア:

[(1, 161757148), (2, 80878574), (4, 40439287), (7, 23108164), (14, 11554082), (28, 5777041), (313, 516796), (626, 258398), (1252, 129199), (2191, 73828), (4382, 36914), (8764, 18457)]