66756208

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{21179}}^1$

素因数の和:21384

約数の個数: 20

約数和(自身を含む): 130002840

約数和(自身を除く): 63246632

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 21179, 42358, 84716, 169432, 338864, 4172263, 8344526, 16689052, 33378104, 66756208]

約数ペア:

[(1, 66756208), (2, 33378104), (4, 16689052), (8, 8344526), (16, 4172263), (197, 338864), (394, 169432), (788, 84716), (1576, 42358), (3152, 21179)]