157745144

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{2131}}^1$

素因数の和:2643

約数の個数: 32

約数和(自身を含む): 312124800

約数和(自身を除く): 154379656

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 487, 974, 1948, 2131, 3896, 4262, 8524, 9253, 17048, 18506, 37012, 40489, 74024, 80978, 161956, 323912, 1037797, 2075594, 4151188, 8302376, 19718143, 39436286, 78872572, 157745144]

約数ペア:

[(1, 157745144), (2, 78872572), (4, 39436286), (8, 19718143), (19, 8302376), (38, 4151188), (76, 2075594), (152, 1037797), (487, 323912), (974, 161956), (1948, 80978), (2131, 74024), (3896, 40489), (4262, 37012), (8524, 18506), (9253, 17048)]