218971938

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{688591}}^1$

素因数の和:688649

約数の個数: 16

約数和(自身を含む): 446207616

約数和(自身を除く): 227235678

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 688591, 1377182, 2065773, 4131546, 36495323, 72990646, 109485969, 218971938]

約数ペア:

[(1, 218971938), (2, 109485969), (3, 72990646), (6, 36495323), (53, 4131546), (106, 2065773), (159, 1377182), (318, 688591)]