664016

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{883}}^1$

素因数の和:938

約数の個数: 20

約数和(自身を含む): 1315392

約数和(自身を除く): 651376

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 883, 1766, 3532, 7064, 14128, 41501, 83002, 166004, 332008, 664016]

約数ペア:

[(1, 664016), (2, 332008), (4, 166004), (8, 83002), (16, 41501), (47, 14128), (94, 7064), (188, 3532), (376, 1766), (752, 883)]