28767319

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{907}}^1$

素因数の和:1134

約数の個数: 16

約数和(自身を含む): 34518528

約数和(自身を除く): 5751209

約数列:

[1, 7, 23, 161, 197, 907, 1379, 4531, 6349, 20861, 31717, 146027, 178679, 1250753, 4109617, 28767319]

約数ペア:

[(1, 28767319), (7, 4109617), (23, 1250753), (161, 178679), (197, 146027), (907, 31717), (1379, 20861), (4531, 6349)]