272641621

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 342835200

約数和(自身を除く): 70193579

約数列:

[1, 7, 19, 31, 89, 133, 217, 589, 623, 743, 1691, 2759, 4123, 5201, 11837, 14117, 19313, 23033, 52421, 66127, 98819, 161231, 366947, 437627, 462889, 1256413, 2049937, 3063389, 8794891, 14349559, 38948803, 272641621]

約数ペア:

[(1, 272641621), (7, 38948803), (19, 14349559), (31, 8794891), (89, 3063389), (133, 2049937), (217, 1256413), (589, 462889), (623, 437627), (743, 366947), (1691, 161231), (2759, 98819), (4123, 66127), (5201, 52421), (11837, 23033), (14117, 19313)]