28019068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{90971}}^1$

素因数の和:90993

約数の個数: 24

約数和(自身を含む): 61133184

約数和(自身を除く): 33114116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 90971, 181942, 363884, 636797, 1000681, 1273594, 2001362, 2547188, 4002724, 7004767, 14009534, 28019068]

約数ペア:

[(1, 28019068), (2, 14009534), (4, 7004767), (7, 4002724), (11, 2547188), (14, 2001362), (22, 1273594), (28, 1000681), (44, 636797), (77, 363884), (154, 181942), (308, 90971)]