55557887

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{42443}}^1$

素因数の和:42478

約数の個数: 16

約数和(自身を含む): 73343232

約数和(自身を除く): 17785345

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 42443, 297101, 466873, 721531, 3268111, 5050717, 7936841, 55557887]

約数ペア:

[(1, 55557887), (7, 7936841), (11, 5050717), (17, 3268111), (77, 721531), (119, 466873), (187, 297101), (1309, 42443)]