128794672

素因数分解:

$2^4\times {\mathrm{631}}^1\times {\mathrm{12757}}^1$

素因数の和:13396

約数の個数: 20

約数和(自身を含む): 249954736

約数和(自身を除く): 121160064

約数列:

[1, 2, 4, 8, 16, 631, 1262, 2524, 5048, 10096, 12757, 25514, 51028, 102056, 204112, 8049667, 16099334, 32198668, 64397336, 128794672]

約数ペア:

[(1, 128794672), (2, 64397336), (4, 32198668), (8, 16099334), (16, 8049667), (631, 204112), (1262, 102056), (2524, 51028), (5048, 25514), (10096, 12757)]