128844876

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{68389}}^1$

素因数の和:68553

約数の個数: 24

約数和(自身を含む): 302557360

約数和(自身を除く): 173712484

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 68389, 136778, 205167, 273556, 410334, 820668, 10737073, 21474146, 32211219, 42948292, 64422438, 128844876]

約数ペア:

[(1, 128844876), (2, 64422438), (3, 42948292), (4, 32211219), (6, 21474146), (12, 10737073), (157, 820668), (314, 410334), (471, 273556), (628, 205167), (942, 136778), (1884, 68389)]