208164028

素因数分解:

$2^2\times {\mathrm{4001}}^1\times {\mathrm{13007}}^1$

素因数の和:17012

約数の個数: 12

約数和(自身を含む): 364406112

約数和(自身を除く): 156242084

約数列:

[1, 2, 4, 4001, 8002, 13007, 16004, 26014, 52028, 52041007, 104082014, 208164028]

約数ペア:

[(1, 208164028), (2, 104082014), (4, 52041007), (4001, 52028), (8002, 26014), (13007, 16004)]