12820223

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:898

約数の個数: 16

約数和(自身を含む): 14696640

約数和(自身を除く): 1876417

約数列:

[1, 13, 23, 53, 299, 689, 809, 1219, 10517, 15847, 18607, 42877, 241891, 557401, 986171, 12820223]

約数ペア:

[(1, 12820223), (13, 986171), (23, 557401), (53, 241891), (299, 42877), (689, 18607), (809, 15847), (1219, 10517)]