28233259

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{53}}^2$

素因数の和:171

約数の個数: 18

約数和(自身を含む): 31664780

約数和(自身を除く): 3431521

約数列:

[1, 19, 23, 53, 437, 529, 1007, 1219, 2809, 10051, 23161, 28037, 53371, 64607, 532703, 1227533, 1485961, 28233259]

約数ペア:

[(1, 28233259), (19, 1485961), (23, 1227533), (53, 532703), (437, 64607), (529, 53371), (1007, 28037), (1219, 23161), (2809, 10051)]