7428379

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 9630720

約数和(自身を除く): 2202341

約数列:

[1, 7, 23, 29, 37, 43, 161, 203, 259, 301, 667, 851, 989, 1073, 1247, 1591, 4669, 5957, 6923, 7511, 8729, 11137, 24679, 28681, 36593, 46139, 172753, 200767, 256151, 322973, 1061197, 7428379]

約数ペア:

[(1, 7428379), (7, 1061197), (23, 322973), (29, 256151), (37, 200767), (43, 172753), (161, 46139), (203, 36593), (259, 28681), (301, 24679), (667, 11137), (851, 8729), (989, 7511), (1073, 6923), (1247, 5957), (1591, 4669)]