156789721168

素因数分解:

$2^4\times {\mathrm{1601}}^1\times {\mathrm{6120773}}^1$

素因数の和:6122382

約数の個数: 20

約数和(自身を含む): 303969878388

約数和(自身を除く): 147180157220

約数列:

[1, 2, 4, 8, 16, 1601, 3202, 6404, 12808, 25616, 6120773, 12241546, 24483092, 48966184, 97932368, 9799357573, 19598715146, 39197430292, 78394860584, 156789721168]

約数ペア:

[(1, 156789721168), (2, 78394860584), (4, 39197430292), (8, 19598715146), (16, 9799357573), (1601, 97932368), (3202, 48966184), (6404, 24483092), (12808, 12241546), (25616, 6120773)]