318205972

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{127691}}^1$

素因数の和:127791

約数の個数: 24

約数和(自身を含む): 643567680

約数和(自身を除く): 325361708

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 127691, 255382, 510764, 893837, 1787674, 3575348, 11364499, 22728998, 45457996, 79551493, 159102986, 318205972]

約数ペア:

[(1, 318205972), (2, 159102986), (4, 79551493), (7, 45457996), (14, 22728998), (28, 11364499), (89, 3575348), (178, 1787674), (356, 893837), (623, 510764), (1246, 255382), (2492, 127691)]