56209615

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{20857}}^1$

素因数の和:20887

約数の個数: 24

約数和(自身を含む): 85601232

約数和(自身を除く): 29391617

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 245, 385, 539, 2695, 20857, 104285, 145999, 229427, 729995, 1021993, 1147135, 1605989, 5109965, 8029945, 11241923, 56209615]

約数ペア:

[(1, 56209615), (5, 11241923), (7, 8029945), (11, 5109965), (35, 1605989), (49, 1147135), (55, 1021993), (77, 729995), (245, 229427), (385, 145999), (539, 104285), (2695, 20857)]