217927891

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5849}}^1$

素因数の和:5958

約数の個数: 16

約数和(自身を含む): 240084000

約数和(自身を除く): 22156109

約数列:

[1, 19, 37, 53, 703, 1007, 1961, 5849, 37259, 111131, 216413, 309997, 4111847, 5889943, 11469889, 217927891]

約数ペア:

[(1, 217927891), (19, 11469889), (37, 5889943), (53, 4111847), (703, 309997), (1007, 216413), (1961, 111131), (5849, 37259)]