221234

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:209

約数の個数: 16

約数和(自身を含む): 365568

約数和(自身を除く): 144334

約数列:

[1, 2, 13, 26, 67, 127, 134, 254, 871, 1651, 1742, 3302, 8509, 17018, 110617, 221234]

約数ペア:

[(1, 221234), (2, 110617), (13, 17018), (26, 8509), (67, 3302), (127, 1742), (134, 1651), (254, 871)]