128208548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{3257}}^1$

素因数の和:4031

約数の個数: 24

約数和(自身を含む): 242017272

約数和(自身を除く): 113808724

約数列:

[1, 2, 4, 13, 26, 52, 757, 1514, 3028, 3257, 6514, 9841, 13028, 19682, 39364, 42341, 84682, 169364, 2465549, 4931098, 9862196, 32052137, 64104274, 128208548]

約数ペア:

[(1, 128208548), (2, 64104274), (4, 32052137), (13, 9862196), (26, 4931098), (52, 2465549), (757, 169364), (1514, 84682), (3028, 42341), (3257, 39364), (6514, 19682), (9841, 13028)]