66987728

素因数分解:

$2^4\times {\mathrm{673}}^1\times {\mathrm{6221}}^1$

素因数の和:6902

約数の個数: 20

約数和(自身を含む): 130002468

約数和(自身を除く): 63014740

約数列:

[1, 2, 4, 8, 16, 673, 1346, 2692, 5384, 6221, 10768, 12442, 24884, 49768, 99536, 4186733, 8373466, 16746932, 33493864, 66987728]

約数ペア:

[(1, 66987728), (2, 33493864), (4, 16746932), (8, 8373466), (16, 4186733), (673, 99536), (1346, 49768), (2692, 24884), (5384, 12442), (6221, 10768)]