664064

素因数分解:

$2^9\times {\mathrm{1297}}^1$

素因数の和:1315

約数の個数: 20

約数和(自身を含む): 1327854

約数和(自身を除く): 663790

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1297, 2594, 5188, 10376, 20752, 41504, 83008, 166016, 332032, 664064]

約数ペア:

[(1, 664064), (2, 332032), (4, 166016), (8, 83008), (16, 41504), (32, 20752), (64, 10376), (128, 5188), (256, 2594), (512, 1297)]