28139118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{6907}}^1$

素因数の和:7016

約数の個数: 32

約数和(自身を含む): 64990464

約数和(自身を除く): 36851346

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 6907, 13814, 20721, 41442, 48349, 96698, 145047, 290094, 669979, 1339958, 2009937, 4019874, 4689853, 9379706, 14069559, 28139118]

約数ペア:

[(1, 28139118), (2, 14069559), (3, 9379706), (6, 4689853), (7, 4019874), (14, 2009937), (21, 1339958), (42, 669979), (97, 290094), (194, 145047), (291, 96698), (582, 48349), (679, 41442), (1358, 20721), (2037, 13814), (4074, 6907)]