139670419

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 174845952

約数和(自身を除く): 35175533

約数列:

[1, 7, 17, 61, 71, 119, 271, 427, 497, 1037, 1207, 1897, 4331, 4607, 7259, 8449, 16531, 19241, 30317, 32249, 73627, 115717, 134687, 281027, 327097, 515389, 1173701, 1967189, 2289679, 8215907, 19952917, 139670419]

約数ペア:

[(1, 139670419), (7, 19952917), (17, 8215907), (61, 2289679), (71, 1967189), (119, 1173701), (271, 515389), (427, 327097), (497, 281027), (1037, 134687), (1207, 115717), (1897, 73627), (4331, 32249), (4607, 30317), (7259, 19241), (8449, 16531)]