212215516

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{3121}}^1$

素因数の和:3405

約数の個数: 24

約数和(自身を含む): 377637120

約数和(自身を除く): 165421604

約数列:

[1, 2, 4, 89, 178, 191, 356, 382, 764, 3121, 6242, 12484, 16999, 33998, 67996, 277769, 555538, 596111, 1111076, 1192222, 2384444, 53053879, 106107758, 212215516]

約数ペア:

[(1, 212215516), (2, 106107758), (4, 53053879), (89, 2384444), (178, 1192222), (191, 1111076), (356, 596111), (382, 555538), (764, 277769), (3121, 67996), (6242, 33998), (12484, 16999)]