664532

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{1373}}^1$

素因数の和:1399

約数の個数: 18

約数和(自身を含む): 1279194

約数和(自身を除く): 614662

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1373, 2746, 5492, 15103, 30206, 60412, 166133, 332266, 664532]

約数ペア:

[(1, 664532), (2, 332266), (4, 166133), (11, 60412), (22, 30206), (44, 15103), (121, 5492), (242, 2746), (484, 1373)]